Topic: Pollution & Health


How Mussel Farming Could<br /> Help to Clean Fouled Waters

Report

How Mussel Farming Could
Help to Clean Fouled Waters

by paul greenberg
Along the shores of New York Harbor, scientists are investigating whether this ubiquitous bivalve can be grown in urban areas as a way of cleansing coastal waters of sewage, fertilizers, and other pollutants.
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Will Global Coal Boom Go Bust<br /> As Climate Concerns Increase?

The Future of Coal: An e360 Report

Will Global Coal Boom Go Bust
As Climate Concerns Increase?

by fen montaigne
The surge in global coal consumption, driven largely by China and India, has climate scientists deeply worried. But environmentalists and a growing number of financial experts say that alarm over global warming may halt the seemingly inevitable rise of the coal industry.
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Long Outlawed in the West,<br /> Lead Paint Sold in Poor Nations

Report

Long Outlawed in the West,
Lead Paint Sold in Poor Nations

by rebecca kessler
A new study finds that household lead paint — banned for years in the U.S. and Europe because of its health effects on children — is commonly sold in the African nation of Cameroon. Is lead paint the latest case of Western companies selling unsafe products in developing countries?
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An Advocate in Pursuit of<br /> Environmental Justice at EPA

Interview

An Advocate in Pursuit of
Environmental Justice at EPA

by ben goldfarb
Matthew Tejada is taking over the EPA’s Office of Environmental Justice after helping low-income communities in Houston fight air pollution in their neighborhoods. He talks to Yale Environment 360 about how his work in Texas prepared him for the challenges of his new post.
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Grisly Trend: Green Activists<br /> Are Facing Deadly Dangers

Report

Grisly Trend: Green Activists
Are Facing Deadly Dangers

by fred pearce
With activists killed in Brazil, Cambodia, the Philippines, and elsewhere, 2012 may have been the worst year yet for violence against those working to protect the environment. So far, little has been done to halt this chilling development.
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Mercury’s Silent Toll<br /> On the World’s Wildlife

Analysis

Mercury’s Silent Toll
On the World’s Wildlife

by rebecca kessler
Scientists are only beginning to understand the impacts of mercury contamination on birds, fish, and other wildlife populations. But what they are finding is alarming — even low levels can cause harm, and chronic exposure has unexpected and troubling effects.
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To Tackle Runoff, Cities<br /> Turn to Green Initiatives

Report

To Tackle Runoff, Cities
Turn to Green Initiatives

by dave levitan
Urban stormwater runoff is a serious problem, overloading sewage treatment plants and polluting waterways. Now, various U.S. cities are creating innovative green infrastructure — such as rain gardens and roadside plantings — that mimics the way nature collects and cleanses water.
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Black Carbon and Warming:<br /> It’s Worse than We Thought

Analysis

Black Carbon and Warming:
It’s Worse than We Thought

by carl zimmer
A new study indicates soot, known as black carbon, plays a far greater role in global warming than previously believed and is second only to CO2 in the amount of heat it traps in the atmosphere. Reducing some forms of soot emissions — such as from diesel fuel and coal burning — could prove effective in slowing down the planet’s warming.
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Should Environmentalists<br /> Just Say No to Eating Beef?

Report

Should Environmentalists
Just Say No to Eating Beef?

by marc gunther
Conservation organizations are working with industry to try to make beef production more sustainable. But some are questioning whether green groups should be accepting funds from the beef industry or whether they should instead be urging consumers to stop eating beef.
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Tar Sands Oil Boom Drives<br /> Push for A Northern Pipeline

Report

Tar Sands Oil Boom Drives
Push for A Northern Pipeline

by ed struzik
The rapid development of Alberta’s tar sands has spawned a new proposal for a 731-mile pipeline that would transport oil to the British Columbia coast. The project is strongly opposed by conservationists and First Nations leaders, who fear the environmental risks it would bring.
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How No-Flush Toilets Can<br /> Help Make a Healthier World

Report

How No-Flush Toilets Can
Help Make a Healthier World

by cheryl colopy
Inadequate sewage systems and the lack of toilets in much of the developing world have created a major public health and environmental crisis. Now various innovators are promoting new kinds of toilets and technologies that use little or no water and recycle the waste.
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The Next Pandemic: Why<br /> It Will Come from Wildlife

Analysis

The Next Pandemic: Why
It Will Come from Wildlife

by david quammen
Experts believe the next deadly human pandemic will almost certainly be a virus that spills over from wildlife to humans. The reasons why have a lot to do with the frenetic pace with which we are destroying wild places and disrupting ecosystems.
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With Funding Tight, Cities are<br /> Turning to Green Infrastructure

Report

With Funding Tight, Cities are
Turning to Green Infrastructure

by jim robbins
From Seattle to Sweden, an ever-growing number of city and regional governments are using roof gardens, specially designed wetlands, and other forms of “green infrastructure” to rein in pollution from countless diffuse sources — and to save money.
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Cooling a Warming Planet:<br /> A Global Air Conditioning Surge

Analysis

Cooling a Warming Planet:
A Global Air Conditioning Surge

by stan cox
The U.S. has long used more energy for air conditioning than all other nations combined. But as demand increases in the world’s warmer regions, global energy consumption for air conditioning is expected to continue to rise dramatically and could have a major impact on climate change.
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Oh Canada: The Government’s<br /> Broad Assault on Environment

Analysis

Oh Canada: The Government’s
Broad Assault on Environment

by ed struzik
Prime Minister Stephen Harper’s government has been weakening Canada’s environmental regulations and slashing funds for oversight and research — all while promoting aggressive resource development. Critics warn these unprecedented actions pose a major threat to the nation’s vast natural heritage.
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Fifty Years After <em>Silent Spring</em>,<br /> Attacks on Science Continue

Opinion

Fifty Years After Silent Spring,
Attacks on Science Continue

by frank graham jr.
When Silent Spring was published in 1962, author Rachel Carson was subjected to vicious personal assaults that had nothing do with the science or the merits of pesticide use. Those attacks find a troubling parallel today in the campaigns against climate scientists who point to evidence of a rapidly warming world.
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Japan at a Crossroads Over<br /> Nuclear Revival or Greener Path

Analysis

Japan at a Crossroads Over
Nuclear Revival or Greener Path

by andrew dewit
In the wake of the Fukushima disaster, Japan has idled all 50 of its nuclear reactors. While the central government and business leaders are warning a prolonged shutdown could spell economic doom, many Japanese and local officials see the opportunity for a renewable energy revolution.
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The Pollution Fallout From<br /> Zimbabwe’s Blood Diamonds

Report

The Pollution Fallout From
Zimbabwe’s Blood Diamonds

by andrew mambondiyani
The regime of President Robert Mugabe has been accused of profiting from the Marange diamond fields in eastern Zimbabwe, garnering illicit funds that could be used to bolster his oppressive security forces. Now critics are alleging the government is failing to stop mining-waste pollution that is sickening livestock and local villagers.
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The Clean Water Act at 40:<br /> There’s Still Much Left to Do

Opinion

The Clean Water Act at 40:
There’s Still Much Left to Do

by paul greenberg
The Clean Water Act of 1972, one of the boldest environmental laws ever enacted, turns 40 this year, with an impressive record of cleaning up America's waterways. But from New York Harbor to Alaska’s Bristol Bay, key challenges remain.
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A Kenyan Woman Stands Up<br /> Against Massive Dam Project

Interview

A Kenyan Woman Stands Up
Against Massive Dam Project

by christina m. russo
Ikal Angelei is helping lead a campaign to stop construction of a major dam in Ethiopia that threatens the water supply and way of life of tens of thousands of indigenous people. In an interview with Yale Environment 360, she explains what she believes is at stake in the fight against the Gibe III dam.
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Hopes Fade for Cleanup<br /> In Nigeria’s Oil-Rich Delta

Report

Hopes Fade for Cleanup
In Nigeria’s Oil-Rich Delta

by fred pearce
The Ogoniland region of Nigeria has long been badly polluted by decades of oil production that has fouled the delta and contaminated drinking water. A United Nations report has recommended a massive recovery initiative, but so far the Nigerian government has shown few signs it will agree to the cleanup project.
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China’s Ma Jun on the Fight<br /> To Clean Up Beijing’s Dirty Air

Interview

China’s Ma Jun on the Fight
To Clean Up Beijing’s Dirty Air

by christina larson
Chinese environmentalist Ma Jun played an important role in a recent successful effort to force the government to more strictly monitor air pollution in Beijing. In an interview with Yale Environment 360, he talks about the daunting challenges of China’s anti-pollution battle and how social media is helping lead the fight to improve the nation’s air.
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Betting on Technology to<br /> Help Turn Consumers Green

Report

Betting on Technology to
Help Turn Consumers Green

by marc gunther
U.S. consumers tell researchers they want to buy environmentally friendly products, but so far they haven’t been doing that on a large scale. Now a host of companies and nonprofits are trying to use new technology — from smartphones to social networking — to make it easier for buyers to make the green choice.
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Scientists Warn of Low-Dose<br /> Risks of Chemical Exposure

Report

Scientists Warn of Low-Dose
Risks of Chemical Exposure

by elizabeth grossman
A new study finds that even low doses of hormone-disrupting chemicals — used in everything from plastics to pesticides – can have serious effects on human health. These findings, the researchers say, point to the need for basic changes in how chemical safety testing is conducted.
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How a Gold Mining Boom is<br /> Killing the Children of Nigeria

Report

How a Gold Mining Boom is
Killing the Children of Nigeria

by elizabeth grossman
It is a pattern seen in various parts of the world — children being sickened from exposure to lead from mining activities. But the scale of the problem in Nigeria’s gold-mining region of Zamfara is unprecedented: More than 400 children have died and thousands more have been severely poisoned by exposure to lead dust.
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California’s ‘Clean Car’ Rules<br /> Help Remake U.S. Auto Industry

Interview

California’s ‘Clean Car’ Rules
Help Remake U.S. Auto Industry

by paul rogers
With the passage of strict new auto emission and air pollution standards, California has again demonstrated its role as the U.S.’s environmental pacesetter. In an interview with Yale Environment 360, Mary Nichols, chairwoman of the California Air Resources Board, explains how her state is helping drive a clean-car revolution.
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As Fukushima Cleanup Begins,<br /> Long-term Impacts are Weighed

Report

As Fukushima Cleanup Begins,
Long-term Impacts are Weighed

by winifred bird
The Japanese government is launching a large-scale cleanup of the fields, forests, and villages contaminated by the Fukushima nuclear disaster. But some experts caution that an overly aggressive remediation program could create a host of other environmental problems.
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As Coal Use Declines in U.S.,<br /> Coal Companies Focus on China

Analysis

As Coal Use Declines in U.S.,
Coal Companies Focus on China

by jonathan thompson
With aging coal-fired U.S. power plants shutting down, major American coal companies are exporting ever-larger amounts of coal to China. Now, plans to build two new coal-shipping terminals on the West Coast have set up a battle with environmentalists who want to steer the world away from fossil fuels.
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Northwest Oyster Die-offs Show<br /> Ocean Acidification Has Arrived

Report

Northwest Oyster Die-offs Show
Ocean Acidification Has Arrived

by elizabeth grossman
The acidification of the world’s oceans from an excess of CO2 has already begun, as evidenced recently by the widespread mortality of oyster larvae in the Pacific Northwest. Scientists say this is just a harbinger of things to come if greenhouse gas emissions continue to soar.
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Making the Case for the<br /> Value of Environmental Rules

Opinion

Making the Case for the
Value of Environmental Rules

by gernot wagner
Some U.S. politicians have been attacking environmental regulations, arguing that they hurt the economy and that the costs outweigh the benefits. But four decades of data refute that claim and show we need not choose between a clean environment and economic growth.
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A Rise in Fungal Diseases is<br /> Taking Growing Toll on Wildlife

Report

A Rise in Fungal Diseases is
Taking Growing Toll on Wildlife

by michelle nijhuis
In an increasingly interconnected world, fungal diseases are spreading at an alarming rate and have led to deadly outbreaks in amphibian, bat, and bee populations. And in the last decade, researchers note, some of the most virulent strains have infected people.
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Are Flame Retardants Safe?<br /> Growing Evidence Says ‘No’

Report

Are Flame Retardants Safe?
Growing Evidence Says ‘No’

by elizabeth grossman
New studies have underscored the potentially harmful health effects of the most widely used flame retardants, found in everything from baby blankets to carpets. Health experts are now calling for more aggressive action to limit these chemicals, including cutting back on highly flammable, petroleum-based materials used in many consumer products.
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The Big Payback from<br /> Bringing Back Peat Bogs

Report

The Big Payback from
Bringing Back Peat Bogs

by fred pearce
The draining and burning of peat bogs is a major global source of CO2 emissions. Now, a pilot project in Russia — where wildfires burned vast areas of dried-out bogs last summer — is looking to re-flood and restore tens of thousands of acres to their natural state.
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Assessing Emerging Challenges<br /> In U.S. Environmental Health

Interview

Assessing Emerging Challenges
In U.S. Environmental Health

by elizabeth grossman
From understanding the cumulative impacts of widely used chemicals to preparing for life in a warming world, a host of environmental health issues now face medical experts. In an interview with Yale Environment 360, Lynn Goldman, dean of the George Washington University School of Public Health and Health Services, talks about meeting the challenges.
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In Arid South African Lands,<br /> Fracking Controversy Emerges

Report

In Arid South African Lands,
Fracking Controversy Emerges

by todd pitock
The contentious practice of hydrofracking to extract underground natural gas has now made its way to South Africa’s Karoo, a semi-desert known for its stark beauty and indigenous plants. But opposition is growing amid concern that fracking will deplete and pollute the area’s scarce water supplies.
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The World at 7 Billion:<br /> Can We Stop Growing Now?

Opinion

The World at 7 Billion:
Can We Stop Growing Now?

by robert engelman
With global population expected to surpass 7 billion people this year, the staggering impact on an overtaxed planet is becoming more and more evident. A two-pronged response is imperative: empower women to make their own decisions on childbearing and rein in our excessive consumption of resources.
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Toxics in the ‘Clean Rooms’:<br /> Are Samsung Workers at Risk?

Report

Toxics in the ‘Clean Rooms’:
Are Samsung Workers at Risk?

by elizabeth grossman
Workers groups in South Korea report an unusually high incidence of cancers and other serious diseases among employees at Samsung’s semiconductor and other electronics plants. While the company denies any link, the pattern of illnesses is disturbingly similar to that seen at semiconductor facilities in the U.S. and Europe.
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From the Fields to Inner City,<br /> Pesticides Affect Children’s IQ

Report

From the Fields to Inner City,
Pesticides Affect Children’s IQ

by elizabeth grossman
Scientists studying the effects of prenatal exposure to pesticides on the cognitive abilities of children have come to a troubling conclusion: Whether pregnant mothers are exposed to organophosphate pesticides in California fields or New York apartments, the chemicals appear to impair their children’s mental abilities.
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Radioactivity in the Ocean:<br /> Diluted, But Far from Harmless

Report

Radioactivity in the Ocean:
Diluted, But Far from Harmless

by elizabeth grossman
With contaminated water from Japan’s crippled Fukushima nuclear complex continuing to pour into the Pacific, scientists are concerned about how that radioactivity might affect marine life. Although the ocean’s capacity to dilute radiation is huge, signs are that nuclear isotopes are already moving up the local food chain.
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Anatomy of a Nuclear Crisis:<br /> A Chronology of Fukushima

Analysis

Anatomy of a Nuclear Crisis:
A Chronology of Fukushima

by david biello
The world’s worst nuclear reactor mishap in 25 years was caused by a massive natural calamity but compounded by what appear to be surprising mistakes by Japanese engineers. The result has been a fast-moving disaster that has left officials careening from one emergency to the next.
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Examining the Missteps<br /> In Japan’s Nuclear Crisis

Interview

Examining the Missteps
In Japan’s Nuclear Crisis

A leading U.S. expert on nuclear energy discusses some of the fundamental failures that led to the intensifying nuclear drama in Japan and looks at what might lie in store for nuclear power worldwide.
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Climate’s Strong Fingerprint<br /> In Global Cholera Outbreaks

Report

Climate’s Strong Fingerprint
In Global Cholera Outbreaks

by sonia shah
For decades, deadly outbreaks of cholera were attributed to the spread of disease through poor sanitation. But recent research demonstrates how closely cholera is tied to environmental and hydrological factors and to weather patterns — all of which may lead to more frequent cholera outbreaks as the world warms.
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Panel Chief on the Gulf Spill:<br /> Complacency Led to Disaster

Interview

Panel Chief on the Gulf Spill:
Complacency Led to Disaster

by john mcquaid
William Reilly led the national commission that investigated the Deepwater Horizon oil spill and says he was struck by the totally inadequate response plans that were in place. In an interview with Yale Environment 360, he talks about why it’s crucial to carry out the reforms needed to prevent future disasters.
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Threat of Mercury Poisoning<br /> Rises With Gold Mining Boom

Report

Threat of Mercury Poisoning
Rises With Gold Mining Boom

by shefa siegel
With high gold prices fueling a global gold rush, millions of people in the developing world are turning to small-scale gold mining. In many countries, including Colombia, miners are putting themselves and those who live nearby at risk by using highly toxic mercury in the refining process.
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In China, a New Transparency<br /> On Government Pollution Data

Report

In China, a New Transparency
On Government Pollution Data

by christina larson
The Chinese government has begun to make environmental records available to the public, empowering green groups and citizens as they try to force factories — and the Western companies they supply — to comply with the law.
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A Warning by Key Researcher<br /> On Risks of BPA in Our Lives

Interview

A Warning by Key Researcher
On Risks of BPA in Our Lives

by elizabeth kolbert
The synthetic chemical, BPA — found in everything from plastic bottles to cash register receipts — is a potent, estrogen-mimicking compound. In an interview with Yale Environment 360, biologist Frederick vom Saal harshly criticizes U.S. corporations and government regulators for covering up — or ignoring — the many health risks of BPA.
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After a Strong Counterattack, <br />Big Coal Makes a Comeback

Opinion

After a Strong Counterattack,
Big Coal Makes a Comeback

by jeff goodell
With an aggressive campaign focused on advertising, lobbying, and political contributions, America’s coal industry has succeeded in beating back a challenge from environmentalists and clean-energy advocates. The dirty truth is that Big Coal is more powerful today than ever.
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In War-Scarred Landscape,<br /> Vietnam Replants Its Forests

Report

In War-Scarred Landscape,
Vietnam Replants Its Forests

by mike ives
With large swaths of forest destroyed by wartime defoliants, and even larger areas lost to post-war logging, Vietnam has set an ambitious goal for regenerating its woodlands. But proponents of reintroducing native tree species face resistance from a timber industry that favors fast-growing exotics like acacia.
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China Takes First Steps<br /> In the Fight Against Acid Rain

Report

China Takes First Steps
In the Fight Against Acid Rain

by christina larson
Amid China’s seemingly boundless emissions of industrial pollutants, there are signs of hope. Discharges of sulfur dioxide, which causes acid rain, have actually decreased, offering some evidence that China is starting to establish a culture of pollution monitoring and control.
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Hungary’s Red Sludge Spill:<br /> The Media and the Eco-Disaster

Opinion

Hungary’s Red Sludge Spill:
The Media and the Eco-Disaster

by elisabeth rosenthal
The sludge spill in Hungary dominated world news for days, as horrific images of red-mud rivers appeared nonstop on the Internet, newspaper front pages, and TV screens. Yet other environmental threats — less visible, but potentially more devastating — often go largely unnoticed.
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On China’s Beleaguered Yangtze,<br /> A Push to Save Surviving Species

Report

On China’s Beleaguered Yangtze,
A Push to Save Surviving Species

by richard stone
The Yangtze has been carved up by dams, used as an open sewer, and subjected to decades of overfishing. Now, Chinese scientists — alarmed by the disappearance of the Yangtze river dolphin and other creatures — are calling for a 10-year moratorium on fishing in the world’s third-longest river.
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LEED Building Standards<br /> Fail to Protect Human Health

Opinion

LEED Building Standards
Fail to Protect Human Health

by john wargo
LEED certification has emerged as the green standard of approval for new buildings in the United States. But the criteria used for determining the ratings largely ignore factors relating to human health, particularly the use of potentially toxic building materials.
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The Legacy of the Gulf Spill:<br /> What to Expect for the Future?

Report

The Legacy of the Gulf Spill:
What to Expect for the Future?

by john mcquaid
The Gulf of Mexico’s capacity to recover from previous environmental assaults — especially the 1979 Ixtoc explosion — provides encouragement about the prospects for its post-Deepwater future. But scientists remain worried about the BP spill's long-term effects on the health of the Gulf and its sea life.
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Are Cell Phones Safe?<br /> The Verdict is Still Out

Report

Are Cell Phones Safe?
The Verdict is Still Out

by bruce stutz
While some studies have suggested that frequent use of cell phones causes increased risk of brain and mouth cancers, others have found no such links. But since cell phones are relatively new and brain cancers grow slowly, many experts are now recommending taking steps to reduce exposure.
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With a Boost from Innovation,<br /> Small Wind Is Powering Ahead

Report

With a Boost from Innovation,
Small Wind Is Powering Ahead

by alex salkever
New technologies, feed-in tariffs, and tax credits are helping propel the small wind industry, especially in the United States. Once found mostly in rural areas, small wind installations are now starting to pop up on urban rooftops.
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A Louisiana Bird Expert<br /> Assesses Damage from the Spill

Interview

A Louisiana Bird Expert
Assesses Damage from the Spill

The images of pelicans and other Gulf of Mexico seabirds drenched in oil have stirred sadness and outrage around the world. But, says conservationist Melanie Driscoll, the unseen effects are probably far greater, with some birds perishing out of sight, far from shore, and others facing spill-related declines in the fish on which they depend.
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As the Far North Melts,<br /> Calls Grow for Arctic Treaty

Analysis

As the Far North Melts,
Calls Grow for Arctic Treaty

by ed struzik
The massive oil spill in the Gulf of Mexico is a warning, conservationists say, of what could happen in the Arctic as melting sea ice opens the Arctic Ocean to oil and gas drilling. Many experts argue that the time has come to adopt an Arctic Treaty similar to the one that has safeguarded Antarctica for half a century.
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The Oil Spill’s Growing Toll<br /> On Sea Life in the Gulf of Mexico

Interview

The Oil Spill’s Growing Toll
On Sea Life in the Gulf of Mexico

by david biello
A prominent marine biologist says the impacts of the oil gushing into the Gulf of Mexico will persist for years, no matter when the flow finally stops. What’s more, scientist Thomas Shirley says that most of the damage remains out of sight below the surface, as creatures succumb to the toxic effects of the rapidly spreading tide of oil.
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Under Pressure to Block Oil,<br /> A Rush To Dubious Projects

Opinion

Under Pressure to Block Oil,
A Rush To Dubious Projects

by rob young
In response to the widening disaster in the Gulf of Mexico, government officials have approved a plan to intercept the oil by building a 45-mile sand berm. But scientists fear the project is a costly boondoggle that will inflict further environmental damage and do little to keep oil off the coast.
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Anatomy of the BP Oil Spill:<br /> An Accident Waiting to Happen

Analysis

Anatomy of the BP Oil Spill:
An Accident Waiting to Happen

by john mcquaid
The oil slick spreading across the Gulf of Mexico has shattered the notion that offshore drilling had become safe. A close look at the accident shows that lax federal oversight, complacency by BP and the other companies involved, and the complexities of drilling a mile deep all combined to create the perfect environmental storm.
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Under Threat in the Gulf,<br /> A Refuge Created by Roosevelt

Report

Under Threat in the Gulf,
A Refuge Created by Roosevelt

by douglas brinkley
Among the natural treasures at risk from the oil spill in the Gulf of Mexico is the Breton National Wildlife Refuge, created by Theodore Roosevelt to halt a grave threat to birds in his era — the lucrative trade in plumage. Now, oil from the BP spill is starting to wash up on beaches where Roosevelt once walked.
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Turning to Greener Weapons <br /> In the Battle Against Malaria

Report

Turning to Greener Weapons
In the Battle Against Malaria

by sonia shah
Insecticides such as DDT have long been used to combat the scourge of malaria in the developing world. But with the disease parasite becoming increasingly adept at resisting the chemical onslaught, some countries are achieving striking success by eliminating the environmental conditions that give rise to malarial mosquitoes.
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The Consumption Conundrum:<br /> Driving the Destruction Abroad

Analysis

The Consumption Conundrum:
Driving the Destruction Abroad

by oswald j. schmitz and thomas e. graedel
Our high-tech products increasingly make use of rare metals, and mining those resources can have devastating environmental consequences. But if we block projects like the proposed Pebble Mine in Alaska, are we simply forcing mining activity to other parts of the world where protections may be far weaker?
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As Pharmaceutical Use Soars,<br /> Drugs Taint Water and Wildlife

Report

As Pharmaceutical Use Soars,
Drugs Taint Water and Wildlife

by sonia shah
With nearly $800 billion in drugs sold worldwide, pharmaceuticals are increasingly being released into the environment. The “green pharmacy” movement seeks to reduce the ecological impact of these drugs, which have caused mass bird die-offs and spawned antibiotic-resistant pathogens.
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Out of the Demographic Trap:<br /> Hope for Feeding the World

Opinion

Out of the Demographic Trap:
Hope for Feeding the World

by fred pearce
In Africa and elsewhere, burgeoning population growth threatens to overwhelm already over-stretched food supply systems. But the next agricultural revolution needs to get local — and must start to see rising populations as potentially part of the solution.
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World’s Pall of Black Carbon<br /> Can Be Eased With New Stoves

Report

World’s Pall of Black Carbon
Can Be Eased With New Stoves

by jon r. luoma
Two billion people worldwide do their cooking on open fires, producing sooty pollution that shortens millions of lives and exacerbates global warming. If widely adopted, a new generation of inexpensive, durable cook stoves could go a long way toward alleviating this problem.
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CO2 Capture and Storage<br /> Gains a Growing Foothold

Report

CO2 Capture and Storage
Gains a Growing Foothold

by david biello
The drive to extract and store CO2 from coal-fired power plants is gaining momentum, with the Obama administration backing the technology and the world’s first capture and sequestration project now operating in the U.S. Two questions loom: Will carbon capture and storage be affordable? And will it be safe?
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In Low-Lying Bangladesh,<br /> The Sea Takes a Human Toll

e360 Video

In Low-Lying Bangladesh,
The Sea Takes a Human Toll

Living on shifting land formed by river deltas, the people of Bangladesh have a tenuous hold on their environment, with cyclones buffeting coastal zones and rising seas posing a looming threat. But, as this Yale Environment 360 video report by Jonathan Bjerg Møller makes clear, many Bangladeshis already are suffering as a growing population occupies increasingly vulnerable lands.
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 Behind Mass Die-Offs,<br /> Pesticides Lurk as Culprit

Report

Behind Mass Die-Offs,
Pesticides Lurk as Culprit

by sonia shah
In the past dozen years, three new diseases have decimated populations of amphibians, honeybees, and — most recently — bats. Increasingly, scientists suspect that low-level exposure to pesticides could be contributing to this rash of epidemics.
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Madagascar’s Political Chaos<br /> Threatens Conservation Gains

Report

Madagascar’s Political Chaos
Threatens Conservation Gains

by rhett butler
Since the government's collapse after a coup last March, Madagascar's rainforests have been plundered for their precious wood and unique wildlife. But now there are a few encouraging signs, as officials promise a crackdown on illegal logging and ecotourists begin to return to the island.
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Looking for a Silver Lining<br /> in the Post-Summit Landscape

Opinion

Looking for a Silver Lining
in the Post-Summit Landscape

by fred pearce
Much was left undone in Copenhagen, and the many loopholes in the climate accord could lead to rising emissions. But the conference averted disaster by keeping the UN climate negotiations alive, and some expressed hope that the growth of renewable energy technology may ultimately save the day.
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The Dangerous Allure of<br /> Global Warming Technofixes

Opinion

The Dangerous Allure of
Global Warming Technofixes

by dianne dumanoski
As the world weighs how to deal with warming, the idea of human manipulation of climate systems is gaining attention. Yet beyond the environmental and technical questions looms a more practical issue: How could governments really commit to supervising geoengineering schemes for centuries?
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Pervasive Plastics: Why the U.S.<br /> Needs New and Tighter Controls

Opinion

Pervasive Plastics: Why the U.S.
Needs New and Tighter Controls

by john wargo
Long a ubiquitous part of modern life, plastics are now in everything from diapers to water bottles to cell phones. But given the proven health threats of some plastics — as well as the enormous environmental costs — the time has come for the U.S. to pass a comprehensive plastics control law.
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The Nitrogen Fix:<br /> Breaking a Costly Addiction

Analysis

The Nitrogen Fix:
Breaking a Costly Addiction

by fred pearce
Over the last century, the intensive use of chemical fertilizers has saturated the Earth’s soils and waters with nitrogen. Now scientists are warning that we must move quickly to revolutionize agricultural systems and greatly reduce the amount of nitrogen we put into the planet's ecosystems.
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Amid Mounting Pessimism,<br /> A Voice of Hope for Copenhagen

Interview

Amid Mounting Pessimism,
A Voice of Hope for Copenhagen

With skepticism growing about the chances of reaching a climate agreement next month in Copenhagen, Rajendra Pachauri, chairman of the Intergovernmental Panel on Climate Change, says he is “cautiously optimistic” that a treaty can still be signed. But in an interview with Yale Environment 360, Pachauri says the global community may have to move ahead without any commitment from the United States.audio
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In Japan’s Managed Landscape,<br /> a Struggle to Save the Bears

Report

In Japan’s Managed Landscape,
a Struggle to Save the Bears

by winifred bird
Although it is a heavily urbanized nation, fully two-thirds of Japan remains woodlands. Yet many of the forests are timber plantations inhospitable to wildlife, especially black bears, which are struggling to survive in one of the most densely populated countries on Earth.
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Leveling Appalachia: The Legacy<br /> of Mountaintop Removal Mining

e360 Video

Leveling Appalachia: The Legacy
of Mountaintop Removal Mining

During the last two decades, mountaintop removal mining in Appalachia has destroyed or severely damaged more than a million acres of forest and buried nearly 2,000 miles of streams. Leveling Appalachia: The Legacy of Mountaintop Removal Mining, a video report produced by Yale Environment 360 in collaboration with MediaStorm, focuses on the environmental and social impacts of this practice and examines the long-term effects on the region’s forests and waterways.

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Finding Common Ground on<br /> Protecting Montana Wilderness

Opinion

Finding Common Ground on
Protecting Montana Wilderness

by rick bass
In the Yaak Valley of Montana, environmentalists have been talking to loggers, snowmobilers and other longtime opponents of wilderness protection about the future of public lands. Their accord is part of a cooperative effort that could lead to the first wilderness-area designation in the state in a quarter century.
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The Great Paradox of China:<br /> Green Energy and Black Skies

Report

The Great Paradox of China:
Green Energy and Black Skies

by christina larson
China is on its way to becoming the world’s largest producer of renewable energy, yet it remains one of the most polluted countries on earth. A year after the Beijing Olympics, economic and political forces are combining to make China simultaneously a leader in alternative energy – and in dirty water and air.
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Mountaintop Mining Legacy:<br /> Destroying Appalachia’s Streams

Report

Mountaintop Mining Legacy:
Destroying Appalachia’s Streams

by john mcquaid
The environmental damage caused by mountaintop removal mining across Appalachia has been well documented. But scientists are now beginning to understand that the mining operations’ most lasting damage may be caused by the massive amounts of debris dumped into valley streams.
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With the Clearing of Forests,<br /> Baby Orangutans Are Marooned

Report

With the Clearing of Forests,
Baby Orangutans Are Marooned

by rhett butler
As Borneo's rain forests are razed for oil palm plantations, wildlife centers are taking in more and more orphaned orangutans and preparing them for reintroduction into the wild. But the endangered primates now face a new threat — there is not enough habitat where they can be returned.
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The Damming of the Mekong:<br /> Major Blow to an Epic River

Report

The Damming of the Mekong:
Major Blow to an Epic River

by fred pearce
The Mekong has long flowed freely, supporting one of the world’s great inland fisheries. But China is now building a series of dams on the 2,800-mile river that will restrict its natural flow and threaten the sustenance of tens of millions of Southeast Asians.
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Yellowstone’s Grizzly Bears<br /> Face Threats on Two Fronts

Opinion

Yellowstone’s Grizzly Bears
Face Threats on Two Fronts

by doug peacock
The magnificent creature at the heart of the Greater Yellowstone Ecosystem now confronts two grave perils: the loss of its key food source because of rising temperatures, and increased killing by humans. A renowned grizzly expert argues that it’s time to once again protect Yellowstone’s grizzlies under the Endangered Species Act.
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The Razing of Appalachia:<br /> Mountaintop Removal Revisited

Report

The Razing of Appalachia:
Mountaintop Removal Revisited

by john mcquaid
Over the past two decades, mountaintop removal mining in Appalachia has obliterated or severely damaged more than a million acres of forest and buried more than 1,000 miles of streams. Now, the Obama administration is showing signs it plans to crack down on this destructive practice.
READ MORE

Satellites and Google Earth<br /> Prove Potent Conservation Tool

Report

Satellites and Google Earth
Prove Potent Conservation Tool

by rhett butler
Armed with vivid images from space and remote sensing data, scientists, environmentalists, and armchair conservationists are now tracking threats to the planet and making the information available to anyone with an Internet connection.
READ MORE

Twenty Years Later, Impacts<br />  of the Exxon Valdez Linger

Report

Twenty Years Later, Impacts
of the Exxon Valdez Linger

by doug struck
Two decades after the Exxon Valdez spilled 11 million gallons of crude oil into Alaska’s waters, the Prince William Sound, its fishermen, and its wildlife have still not fully recovered.
READ MORE

Surviving Two Billion Cars:<br /> China Must Lead the Way

Analysis

Surviving Two Billion Cars:
China Must Lead the Way

by deborah gordon and daniel sperling
The number of vehicles worldwide is expected to reach two billion in the next two decades. Surprisingly, China – where the demand for cars has been skyrocketing – just may offer the best hope of creating a new, greener transportation model.
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Why I’ll Get Arrested<br /> to Stop the Burning of Coal

Opinion

Why I’ll Get Arrested
to Stop the Burning of Coal

by bill mckibben
On March 2, environmentalist Bill McKibben joined demonstrators who marched on a coal-fired power plant in Washington D.C. In this article for Yale Environment 360, he explains why he was ready to go to jail to protest the continued burning of coal.
READ MORE

Opinion

A Call for Tougher Standards
on Mercury Levels in Fish

by jane hightower
In response to industry pressure, the U.S. Food and Drug Administration has failed to set adequate restrictions on mercury levels in fish. Now the Obama administration must move forcefully to tighten those standards and warn the public which fish are less safe to eat.
READ MORE

As Rain Forests Disappear,<br /> A Market Solution Emerges

Report

As Rain Forests Disappear,
A Market Solution Emerges

by rhett butler
Despite the creation of protected areas in the Amazon and other tropical regions, rain forests worldwide are still being destroyed for a simple reason: They are worth more cut down than standing. But with deforestation now a leading driver of global warming, a movement is growing to pay nations and local people to keep their rain forests intact.
READ MORE

Report

In China’s Mining Region,
Villagers Stand Up to Pollution

by zhou jigang and zhu chuhua
After decades of living with fouled rivers and filthy air, residents of China’s Manganese Triangle are rising up and refusing to accept the intolerable conditions created by illegal mining activity. Their bold protests have shone light on the dark side of China’s economic boom. From Sichuan province, Chinese journalists Zhou Jigang and Zhu Chuhua report.
READ MORE

Under a Sooty Exterior,<br /> a Green China Emerges

Analysis

Under a Sooty Exterior,
a Green China Emerges

by fred pearce
You’ve heard the environmental horror stories: rivers running black, air unfit to breathe, two new coal-fired power plants a week. But thanks to a surging entrepreneurial spirit and new policies, China is fast becoming a leader in green innovation, from recycling to developing electric cars to harnessing the wind.
READ MORE

Zimbabwe’s Desperate <br/>Miners Ravage the Land

Report

Zimbabwe’s Desperate
Miners Ravage the Land

by andrew mambondiyani
Hard-pressed by economic straits, illegal panners are tearing up Zimbabwe’s countryside in search of gold and diamonds. They leave behind a trail of destruction: devastated fields and forests, mud-choked rivers, and mercury-tainted water. Andrew Mambondiyani reports from eastern Zimbabwe.
READ MORE

e360 digest

RELATED e360 DIGEST ITEMS


23 May 2013: China Poised to Launch
Much-Anticipated Carbon-Trading Project

China has revealed details of a carbon cap-and-trade pilot project that will be launched next month, a much-anticipated market attempt to rein in carbon dioxide emissions by the world’s biggest emitter. The first phase of the program, which will be implemented in the southern city of Shenzhen, will cover 638 companies that produce 38 percent of the city’s carbon emissions, according to the city branch of the government’s National Development and Reform Commission (NDRC). The system will impose caps on the companies’ CO2 emissions and establish a market for the buying and selling of emissions permits. Eventually, the program will be expanded to include the transportation, manufacturing, and construction sectors, the Guardian reports. By 2014, the experimental scheme will be expanded into six other designated cities and provinces, including Beijing, Tianjin, Shanghai, Chongqing, and the provinces of Hubei and Guangdong. Earlier this week, the Chinese newspaper 21st Century Business Herald reported that the NDRC is contemplating a nationwide system to control CO2 emissions by 2020.
PERMALINK

 

21 May 2013: Large Majority of Americans
Believe Global Warming Should be a Priority

Roughly 70 percent of Americans say global warming should be a priority for President Obama and Congress and 61 percent support requiring fossil fuel companies to pay a carbon tax that would be used to help reduce the national debt, according to a new survey by the Yale Project on Climate Change Communication. In a national survey conducted in April, 87 percent of respondents said that the president and Congress should make developing clean sources of energy a priority, 68 percent favored regulating carbon dioxide as a pollutant, and 71 percent supported providing tax rebates for people who buy solar panels and energy-efficient vehicles. Seventy percent said global warming should be at least a “medium” priority, while 28 percent said it should be a low priority. The poll showed that 7 in 10 Americans support funding more research into green energy sources.
PERMALINK

 

16 May 2013: Scientist’s U.S. Road Trip
Reveals Unexpected Methane Emissions

Methane measurements collected during a scientist’s road trip across the U.S. indicate that local emissions of the potent greenhouse gas are higher than previously known in many regions. Using a gas chromatograph mounted to the roof of a rented camper, Ira Leifer of the University of California, Santa Barbara, collected air samples from Florida to California, finding the highest methane concentrations in areas with significant refinery activity — such as Houston, Texas — and in a region of central California with oil and gas production. He found that methane concentrations exceeded the levels estimated by the U.S. Department of Energy, particularly in areas near industrial fossil fuel extraction sites. The results point to the importance of targeting these “fugitive” methane emissions in parallel with efforts to reduce CO2 emissions. Leifer's findings were published in the journal Atmospheric Environment.
PERMALINK

 

13 May 2013: Project Looks to Quantify
Power Emissions Through Crowdsourcing

A team of scientists is enlisting public support to help produce a more comprehensive inventory of carbon dioxide emissions from power plants globally, urging citizens to identify power plants in their communities with a new digital app. While data from some of the
Ventus Carbon Dioxide Map
Google Earth
world’s industrialized regions — including the U.S. and Europe — are already widely available, researchers at Arizona State University (ASU) say specific information on carbon emissions from most parts of the world is difficult to obtain. “It turns out that we know far less about fossil fuels than we thought we did,” Kevin Gurney, an emissions modeler at ASU and co-leader of the so-called Ventus Project, told Nature. “We could use some help.” Using a simple Google Earth application, the technology enables users to upload exact coordinates of local power plants, and, if possible, information on the type of fuels used or the quantity of CO2 emissions. Organizers hope that the crowdsourcing initiative will fill data gaps on the world’s roughly 30,000 power plants.
PERMALINK

 

10 May 2013: U.S. Web Tool Aims to Bolster
Research on Climate and Health Links

The Obama Administration this week introduced an online tool to improve research into the link between climate change and human health and promote innovative responses to future threats. As climate change triggers more extreme weather events and temperature shifts, it is becoming increasingly important to determine how these changes will affect respiratory illnesses, infectious diseases, allergies, and other human ailments, said Tom Armstrong, executive director of the U.S. Global Change Research Program. Writing on the department’s blog, Armstrong said the so-called Metadata Access Tool for Climate and Health, or MATCH, will provide an accessible portal of metadata from more than 9,000 health, environment and climate science data sets. “MATCH will help researchers and public health officials integrate the latest information from across environmental and health disciplines in order to inform more effective responses to climate and health threats,” he said.
PERMALINK

 

09 May 2013: Third Coal Export Proposal
Falls By Wayside in Pacific Northwest

A large U.S. pipeline developer has dropped plans to build a $200-million coal export facility in northern Oregon, the third major terminal proposal to be shelved or canceled in the Pacific Northwest. Officials at Houston-based Kinder Morgan say the Columbia River site could not optimally accommodate the 30 million tons of coal that were expected to run through the site annually, largely for markets in Asia. While the company said the decision had nothing to do with public opposition to transporting massive amounts of coal from the Powder River Basin in Wyoming to the coast, critics of the plan say growing protests affected the decision. “If that site didn’t meet their physical constraints, they would have known that… years ago when they proposed this,” Brett VandenHeuvel, director of the group Columbia Riverkeeper, told the Los Angeles Times. Thousands of residents have signed petitions to block the project, citing concerns that the coal trains would cause pollution from coal dust and create traffic congestion. Three other coal export projects — two in Washington and one in Oregon — are still on the table.
PERMALINK

 

01 May 2013: Program Targeting Diesel
Emissions Will Be Cut by 70 Percent

A federal program that has cleaned up or removed 50,000 high-polluting diesel engines from U.S. roads is scheduled to be cut by 70 percent under President Barack Obama’s latest budget. The program eliminated 230,000 tons of soot and smog-causing pollutants, slashed more than two million tons of carbon dioxide emissions, and saved 205 million gallons of fuel. But the program’s budget has faced steady cuts in recent years, falling from $50 million in fiscal year 2011, to $20 million in 2013, to a proposed $6 million in fiscal year 2014. The diesel cleanup program has succeeded in removing only a fraction of the 11 million dirty, pre-2006 diesel vehicles on the road. But environmentalists say that the program has been successful in helping clean the air in low-income communities that often are situated near ports, highways, and other areas with high diesel traffic.
PERMALINK

 

23 Apr 2013: Conservation of Forests
Can Prevent Malaria Spread, Study Says

The conservation of woodlands and biodiversity can actually help prevent the spread of malaria in tropical forests, a new study says. Using a mathematical model of different conditions in a forest region of southeastern Brazil, scientists found that the circulation of the parasite Plasmodium vivax — which is associated with 80 million to 300 million malaria cases worldwide — is likely to decrease in less developed forests where populations of non-malarial mosquitoes and warm-blooded animals are abundant. While no malaria cases have been reported in 30 years within the biodiverse study area, located in the Atlantic Forest, researchers say a primary malaria mosquito is found nearby. According to their study, published in the journal PLoS Neglected Tropical Diseases, the findings suggest that malarial and non-malarial mosquito populations are likely to compete for blood feeding, and that the animals act as “dead-end reservoirs” of the malaria parasite. “These aspects of biodiversity that can hinder malaria transmission are services provided by the forest ecosystem,” Gabriel Zorello, an epidemiologist at the University of Sao Paulo and lead researcher of the study, told ScieDev.Net.
PERMALINK

 

18 Apr 2013: Reducing Short-Lived Pollutants
Could Slow Sea Level Rise, Study Says

Reducing the emissions of four critical pollutants in the coming decades could at least temporarily slow the rate of global warming and reduce projected sea level rise by as much as 50 percent, according to a new study. Building on previous research that found that reducing the emissions of four short-lived pollutants — tropospheric ozone, hydrofluorocarbons, black carbon, and methane — could slow the rate of global warming by 50 percent, the new study projects that sea-level rise could, in turn, be reduced by 24 to 50 percent by 2100, depending on the level of emissions cuts. Unlike carbon dioxide, which persists in the atmosphere for centuries, these four pollutants remain in the atmosphere anywhere from a week to a decade, so altering their atmospheric concentrations can have a more immediate effect on the global climate, scientists say. “Society can significantly reduce the threat to coastal cities if it moves quickly on a handful of pollutants,” said Aixue Hu, a researcher at the National Center for Atmospheric Research (NCAR) and lead author of the study published in the journal Nature Climate Change.
PERMALINK

 

02 Apr 2013: Air Pollution Linked to
1.2 Million Chinese Deaths in 2010

Air pollution contributed to the premature deaths of more than 1.2 million people in China in 2010, or about 40 percent of early deaths worldwide caused by dirty air, according to a newly released analysis. The findings, based on data from a study on the distribution and causes of death globally, categorized “ambient particulate matter pollution” as the fourth-leading factor in premature deaths in China, behind dietary risks, high blood pressure, and smoking. Worldwide, air pollution was the seventh-leading cause of premature death, contributing to 3.2 million deaths, according to the study. While the study was published in The Lancet, a UK-based medical journal, the summary of China statistics was reported at a forum in Beijing, the New York Times says. The findings come as public outrage grows in China as residents of many cities endure choking air far in excess of safe levels.
PERMALINK

 

27 Mar 2013: Natural Gas Extraction
Causing More Earthquakes in Netherlands

Extraction of natural gas from the deep soil in a region of the Netherlands has triggered an increase in minor earthquakes, similar to seismic effects that have raised concerns about drilling operations, including hydraulic fracturing, in other countries. While the extraction of gas has occurred for decades in the northern Netherlands, including in the province of Groningen, quakes have become more frequent in the last few years, the New York Times reports. The region experienced as few as 20 quakes a year before 2011, but there were 18 during the first six weeks of 2013, with some strong enough to cause significant property damage. According to Chiel Seinen, a spokesman for a local gas consortium known as NAM, natural gas extraction has created at least 1,800 faults in the region’s subsoil, although he said the controversial drilling technique known as fracking is not used in the Dutch region. A new study by Columbia University’s Earth Institute found that a 5.7-magnitude earthquake that occurred in Oklahoma in 2011 may have been the largest quake yet that can be linked to the injection of wastewater as part of an energy extraction project.
PERMALINK

 

22 Mar 2013: Expansion of Chinese City Poses
Environmental and Safety Risks, Critics Say

An ambitious plan to expand the western Chinese city of Lanzhou into a regional industrial hub is raising concerns over what critics call lax government oversight of the environmental and safety impacts, including worries that it will siphon huge amounts of water from an already parched region and devastate nearby mountains. Lanzhou, the capital of Gansu Province, is a city of 3.6 million and a gateway to Tibet and the Xinjiang region. It is known as one of the most polluted cities in China, and now the government is working to expand the city’s footprint by at least 70 percent, according to Caixin Online. That expansion involves the flattening of mountaintops, and the additional 1 million people and increased industrial activity will draw water from the already polluted and over-stressed Yellow River. Opponents of the plan say buildings will also be constructed on loose soil that will be vulnerable to collapse. “It was a rash decision to begin construction on the new city before receiving environmental approvals or seeking opinions from the Lanzhou public,” said Zhao Zhong, a local activist.
PERMALINK

 

18 Mar 2013: New Chinese Premier
Vows To Tackle Pollution With ‘Iron Fist’

China’s new premier, Li Keqiang, has vowed aggressive government action to curb the rampant pollution that has provoked growing public outrage, saying the country would phase out “backward production
Pollution in Beijing
Getty Images
Smog covers Beijing in January
facilities” that have contributed to dangerous health conditions in numerous regions. Speaking at his first press conference, Li said the government would set deadlines to address the public health controversy, exemplified by choking air pollution over Beijing that has kept air quality at dangerous levels since the beginning of the year. Chronic air pollution problems in major metropolitan areas, coupled with a recent episode in which more than 12,000 rotting pig carcasses were discovered in a river that provides Shanghai’s drinking water, have triggered growing public protest. While Li offered few specific solutions, he promised “vigorous” efforts to tackle pollution. “We need to face the situation and punish offenders with no mercy and enforce the law with an iron fist,” he said. “We shouldn’t pursue economic growth at the expense of the environment.”
PERMALINK

 

Interview: An Advocate for
Environmental Justice at EPA

Matthew Tejada brings on-the-ground experience to his new job as director of the Office of Environmental Justice at the U.S. Environmental Protection Agency. Tejada, 33, took over his EPA post
Matthew Tejada
Matthew Tejada
this month after leading Air Alliance Houston, where he helped organize communities along the Texas Gulf Coast to fight air pollution from chemical plants, oil refineries, and the shipping industry. In an interview with Yale Environment 360, Tejada explains how he sees his role at the EPA as an advocate for environmental justice, a concept that first emerged in the 1980s and focuses on the pollution burdens often placed on poor and minority neighborhoods. Tejada tells e360 why he thinks his work as a community advocate will help in his new job, why it is important for environmental organizations to build coalitions with grassroots groups, and how he sees “similarities across environmental justice communities, whether they’re in Puerto Rico or in Kansas.”
Read the interview
PERMALINK

 

07 Mar 2013: Shale Gas Boom Drives
Surge in Propane-Fueled Vehicles

The U.S. satellite TV provider DISH Network Corporation has announced it will introduce 200 propane-fueled vans to its fleet in 2013, another sign that propane, like natural gas, is offering an increasingly cost-effective transportation fuel alternative to gasoline and diesel. While there are already more than 13 million propane-fueled vehicles worldwide, propane historically has been considered a niche fuel because of high production costs. But driven by the surge in domestic shale oil and gas production, the wholesale cost of propane is now only about 85 cents per gallon — about half of 2011 costs. And while the vehicles cost about 10 percent more than diesel-fueled trucks, propane-fueled trucks ultimately can save $50,000 in fuel costs over the life of a vehicle, according to Reuters. In addition, DISH officials say their new propane-fueled vans will reduce the fleet’s overall emissions of carbon dioxide by 12.5 million pounds over the lifetime of the vehicles. According to Pike Research, sales of natural gas-fueled vehicles are projected to increase 10 percent annually through 2019 while propane-fueled vehicles are expected to climb 8 percent per year.
PERMALINK

 

26 Feb 2013: Major U.S. Utility Will Close
Three Coal-Burning Plants in Midwest

One of the U.S.’s largest electric utilities has agreed to close three coal-fired power plants in the Midwest, the latest sign of how the U.S.'s electricity supply is shifting away from coal to natural gas and renewable energy. American Electric Power (AEP) will shut down the three plants in Indiana, Ohio and Kentucky by 2015 — retiring a total of 2,011 megawatts of coal-burning capacity — and replace some of the power generation with wind and solar investments in Indiana and Michigan. According to the agreement, which settles a lawsuit originally filed in 1999 over the environmental costs of pollution that drifts east from the plants, the Ohio-based company will also spend $5 billion to install pollution-control technologies at its aging coal-burning plants in the eastern U.S. and cut its annual sulfur dioxide emissions from 828,000 tons to 174,000 tons within 12 years. With the latest shut-downs, utilities have now closed or announced the closing of 142 coal-burning plants since 2010.
PERMALINK

 

25 Feb 2013: Labor Capacity To Fall as World
Gets Warmer, More Humid, U.S. Study Says

Increasingly warm and humid conditions that are predicted in the coming decades could slash worker productivity 10 percent worldwide by mid-century and could eliminate worker capacity altogether in some regions during the hottest months, a new U.S. study predicts. In an analysis of labor capacity based on existing military and industrial heat stress standards, researchers from the National Oceanic and Atmospheric Administration (NOAA) found that the amount of work that people can do in some regions has already dropped by 10 percent over the last six decades and that the lost labor capacity could double by 2050 based on global warming projections. According to their analysis, published in the journal Nature Climate Change, a temperature increase of 6 degrees C (11 degrees F) would “eliminate all labor capacity in the hottest months in many areas,” including the U.S.’s lower Mississippi Valley. “This planet will start experiencing heat stress that’s unlike anything experienced today,” Ronald Stouffer, co-author of the study, told Reuters. According to the study, temperature increases must be limited to less than 3 degrees C (5 F) to maintain labor capacity in all areas during the hottest months.
PERMALINK

 

21 Feb 2013: Chinese Air Pollution Triggers
Steep Rise in Nitrogen Deposition

A spike in Chinese air pollution over the last three decades has caused a 60 percent increase in the levels of nitrogen pollutants that ultimately end up back on the nation’s land and in its water, a new study has found. In an analysis of 270 monitoring sites across the country, researchers found that the annual deposition of nitrogen, as measured in precipitation, had increased from 13.2 kilograms per hectare in 1980 to about 21.1 kilograms per hectare in 2010. Scientists say so-called nitrogen deposition occurs when nitrogen in the atmosphere is washed back to the planet’s surface by rain and snow in the form of pollutants such as nitrates and ammonium. Elevated nitrogen levels can trigger harmful ecological effects, from soil acidification to feeding algae blooms. According to the study, published in Nature, leaves of herbaceous and woody plants absorbed 33 percent more nitrogen in 2010 than in 1980, while rice, wheat, and maize crops on unfertilized fields had a 16 percent increase. The spike in pollution levels has been driven by an increase in industrial emissions, agricultural uses, and transportation.
PERMALINK

 

18 Feb 2013: BPA Levels Found in Humans
Unlikely to Pose Health Risk, Study Says

A new U.S. analysis suggests that concentrations of bisphenol A (BPA) in the blood of the general public are significantly lower than levels shown to cause toxicity or mimic estrogen in animal studies. In an analysis of 150 BPA exposure studies — covering more than 30,000 individuals in 19 countries — toxicologist Justin Teeguarden of the U.S. Department of Energy’s Pacific Northwest National Laboratory found that BPA levels were consistently lower than levels believed to cause biological effects. According to the study, which was presented at the annual meeting of the American Association for the Advancement of Science, these findings suggest that animal studies may not be a good indicator of the human health effects of BPA, a synthetic chemical found in thousands of everyday products, from plastic bottles to cash register receipts. “At these exposure levels, exposure to BPA can’t be compared to giving a baby the massive dose of estrogens found in a birth control pill, a comparison made by others,” Teeguarden said.
PERMALINK

 

30 Jan 2013: Satellite Analysis Shows
Gulf Oil Spills Typically Underestimated

An analysis of satellite images has revealed that small oil spills that have become common in the Gulf of Mexico are often much larger than reported, U.S. scientists say. Using technology that calculates the size of oil slicks based on differences in the texture of water surface, as captured in publicly available satellite photos, a team of oceanographers at Florida State University (FSU) estimated that known human-caused spills in the Gulf were typically about 13 times larger than reported to the U.S. Coast Guard’s National Response Center. The spills are typically the result of minor drilling mishaps or fuel discharges from ships. “There is very consistent underreporting of the magnitude of [oil] releases,” Ian MacDonald, a FSU scientist and team leader, told Nature. While these relatively minor oil spills may not cause significant environmental damage, the cumulative damage is not known since officials are unaware of the true extent of the spills, said John Amos, president of SkyTruth, a nonprofit organization that participated in the study.
PERMALINK

 

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