e360 digest


05 May 2015: Pollen May Play Surprising
Role in Climate and Cloud Formation

Grains of pollen may be seeding clouds and affecting the planet's climate in unexpected ways, University of Michigan researchers
pollen grains

Grains of pollen can break into even smaller particles.
write in the journal Geophysical Research Letters. Scientists had assumed that pollen particles were too large to remain in the atmosphere long enough to interact with the sun's radiation or trigger cloud formation. The study found, however, that pollen grains are capable of disintegrating into much smaller particles and that exposure to humidity can accelerate pollen's breakdown. Using a cloud-making laboratory chamber, the researchers showed that six common types of pollen — ragweed and oak, pecan, birch, cedar, and pine trees — could break into particles small enough to draw moisture and form clouds. "What happens in clouds is one of the big uncertainties in climate models right now," author Allison Steiner said.
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04 May 2015: First Nations and B.C. Set
North America's Largest Ocean Protections

The Canadian province of British Columbia and 18 coastal First Nations have released marine plans to bring the northern

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Marine protection plan area

Area encompassed by protection plans.
Pacific Coast of British Columbia under ecosystem-based management, completing the largest ocean plan to date anywhere in North America. The ecosystem-based approach was designed to protect the marine environment while sustaining coastal communities whose culture and commerce depend on a healthy ocean, officials say. The area under the protection plans lies between Haida Gwaii archipelago on the north coast of B.C. to Campbell River on Vancouver Island — a span of nearly 40,000 square miles, equivalent to a 200-mile-wide swath from San Francisco to San Diego. The plans were based on input from a variety of stakeholders — renewable energy developers, conservationists, aquaculture companies, small-boat fishermen, and traditional and local community members — and the best available science, officials say.
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01 May 2015: One in Six Species Facing
Extinction in Current Climate Trajectory

Future increases in global temperatures will threaten up to one in six species if current climate policies are not modified,
Nursery frog

Nursery frogs are among the species most at risk.
according to new research published in the journal Science. Global extinction rates are currently at 2.8 percent, the study notes. If global average temperature rises by only 2 degrees C — a benchmark that many scientists think is no longer attainable — the extinction rate will rise to 5.2 percent, the study found. If the planet warms by 3 degrees C, the extinction risk rises to 8.5 percent. And if the current, business-as-usual trajectory continues, climate change will threaten one in six species, or 16 percent, the study says. The risk of species loss is most acute for areas that have unique climate ranges — particularly South America, Australia, and New Zealand — yet those regions are the least studied, the author notes.
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30 Apr 2015: Volcanic Eruption in Chile Could
Have an Effect on Climate, NASA Data Show

Calbuco volcano, which erupted in southern Chile last week for the first time since 1972, has been injecting climate-changing

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Calbuco volcano

Sulfur dioxide from Calbuco volcano
gases directly into an upper layer of the atmosphere, NASA satellite data show. The particularly explosive eruption shot sulfur dioxide, an acrid-smelling gas that can cause respiratory problems at ground level, up into the stratosphere, where it reacts with water vapor to create sulfate aerosols that reflect sunlight and can sometimes have a slight cooling effect. So far, Calbuco has released an estimated 0.3 to 0.4 million tons of sulfur dioxide (SO2) as high as 13 miles, where it will last much longer and travel much farther than if released closer to the earth's surface. The SO2 will gradually convert to sulfate aerosol particles, but it is not clear yet whether there will be a cooling effect associated with Calbuco's eruption, researchers say.
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Interview: How British Columbia
Gained by Putting Price on Carbon

Earlier this month, Ontario announced it will join the carbon cap-and trade-program that Quebec and California participate in.
Stewart Elgie
Stewart Elgie
British Columbia, in 2008, became the first jurisdiction in North America to adopt an economy-wide carbon tax. Stewart Elgie, a professor of law and economics at University of Ottawa, has analyzed the results of that tax and describes them as “remarkable.” In a Yale Environment 360 interview, Elgie says the tax has significantly reduced British Columbia’s fossil fuel use without harming its economy. Citing the lack of support for a carbon tax at the federal level in Canada as well as in the U.S., Elgie warns that “we’re moving toward a global economy that will reward low-carbon, innovative, resource-efficient production. And if we don’t prepare ourselves for that, other countries are going to eat our lunch.”
Read the interview.
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29 Apr 2015: California Governor Orders
Tough New Greenhouse Gas Emissions Target

California will cut its greenhouse gas emissions by 40 percent compared to 1990 levels over the next 15 years, according to an
California Governor Jerry Brown

California Governor Jerry Brown
executive order issued today by Governor Jerry Brown. The state already has an ambitious climate law on the books, requiring emissions cuts of 80 percent from the 1990 benchmark by 2050. Brown says the new order sets a tough interim target that will be important for ensuring the state meets its 2050 goal. The state's 2030 and 2050 emissions goals build on a law enacted under former governor Arnold Schwarzenegger that requires the state to reduce emissions to 1990 levels by 2020. California is on track to meet, and possibly exceed, that mark, officials say. Governor Brown has been positioning California as a world leader in efforts to curb climate change ahead of the United Nations climate talks in Paris at the end of this year.
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28 Apr 2015: World Is Poised for Major
Surge in Air Conditioner Use, Research Finds

The world is on track for dramatic increases in the use of air conditioning over the next few decades, which will place even
air conditioners in China apartment complex

Air conditioners in Chinese apartment complex.
more stress on power grids and energy prices than scientists had previously thought, according to research from the University of California, Berkeley. Looking at households throughout Mexico, the researchers found that, in the warm areas, air conditioning use increases steadily with income — 2.7 percent per $1,000 of annual household income. The team used those findings, along with population, climate, and household income projections, to model future growth in air conditioner use across the globe. Conservatively, they say, the model predicts near-universal saturation of air conditioning in all warm areas within just a few decades. That will place enormous stress on the energy infrastructure of some nations — India, for example, is already experiencing blackouts during surges in power use — and will drive up energy costs worldwide.
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27 Apr 2015: Oceans Are the World's
Seventh Largest Economy, New Report Says

The world's oceans are worth an estimated $24 trillion and produce $2.5 trillion annually in goods and services, according to
coral reef

Coral reefs are threatened by ocean acidification.
a report by WWF, Boston Consulting Group, and the Global Change Institute. If the global ocean ecosystem were a single nation, it would represent the world's seventh largest economy, the report says, providing goods such as fish catches and aquaculture and services such as coastal storm protection, shipping, and tourism. The oceans' assets are dwindling, though, due to threats such as ocean acidification, over-exploitation of fish stocks, and degradation of coral reefs, which could disappear completely by 2050, according to research cited in the report. The trends could be reversed, the report says, if global governments take strong action to curb climate change and if coastal countries make swift efforts to protect nearby marine ecosystems.
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24 Apr 2015: Long-Term CO2 Record by Keeling
Named National Historic Chemical Landmark

The Keeling Curve — a long-term record of rising carbon dioxide in the planet’s atmosphere — will be named a National Historic

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Keeling Curve

The Keeling Curve
Chemical Landmark, the American Chemical Society announced yesterday. The late geochemist Charles David Keeling began collecting precise, systematic data on atmospheric CO2 concentrations at Hawaii's Mauna Loa Observatory in 1958. Since then, the rigorous and continuous measurements have become the most widely recognized record of humans' impact on the planet, helping to illustrate the link between rising CO2 levels from burning fossil fuels and global warming. Other works highlighted by National Historic Chemical Landmark program include the discovery of penicillin, deciphering of the genetic code, and the works of Rachel Carson, Thomas Edison, and George Washington Carver.
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Interview: Oklahoma’s Clear Link
Between Earthquakes and Energy

In recent years, Oklahoma has experienced a stunning increase in the number of earthquakes. Yet despite numerous

View Animation
earthquake map

Earthquake occurrences in Oklahoma since 2008.
studies to the contrary, state officials have remained skeptical of the link between this seismic boom and oil and gas activity. That ended last month with the announcement by the Oklahoma Geological Survey that oil and gas wastewater injection wells were, indeed, the “likely” cause of “the majority” of that state’s earthquakes. Oklahoma geologist Todd Halihan, who has examined this issue, welcomed the announcement. In an interview with Yale Environment 360, Halihan outlines some ways that the abnormal seismic activity in Oklahoma might be tamped down. But he also explains why he believes the problem has no quick or easy fixes.
Read the interview.
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22 Apr 2015: Yale Plans to Charge University
Departments for Their Carbon Emissions

Yale University has announced that it will enact a novel carbon-pricing mechanism in the next academic year in hopes of curbing its greenhouse gas emissions. Devised by a committee led by economist William Nordhaus — an expert on the intersection of climate change and economic policy — the program will operate in a pilot phase for three years before possibly going into full effect, the university said. According to the committee's report, departments within the university would be charged based on how much their carbon emissions deviated from average levels in the past. The report recommends a price of $40 per ton of carbon dioxide, which is based on current federal legislation and the government's estimates for the social cost of carbon. "We didn't see anything like this" when reviewing other institutions' carbon-pricing schemes, Nordhaus told E&E News, saying he believes Yale's program is the first and most comprehensive of its kind.
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21 Apr 2015: Australia Could Attain
100 Percent Renewables by 2050, Study Says

Australia could reduce its greenhouse emissions significantly and transition to an economy
Australia wind farm

Windy Hill wind farm in Queensland, Australia.
predominantly fueled by renewable energy for very little cost, according to an analysis by the Australian National University and WWF. The country could generate 100 percent of its electricity from renewables and have zero net emissions by 2050 because wind and solar technologies have fallen rapidly in price in recent years and Australia is the world's sunniest and windiest continent. Any progress, however, will depend on the government's willingness to set clear, long-term policies and regulations encouraging renewable energy use, the authors note. Under conservative Prime Minister Tony Abbott, Australia's current climate action plan calls for only a five percent cut in emissions from 2000 levels over the next five years.
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20 Apr 2015: Record Amount of E-Waste
Generated Globally in 2014, Report Finds

A record amount of electronic waste was discarded in 2014, with a total of 41.8 million tons of personal electronics and household
e-waste

2014 saw a record amount of e-waste.
appliances hitting landfills worldwide, a new report from the United Nations University found. The highest per-capita totals of so-called "e-waste" came from Scandinavian and European countries — Norway topped the list, followed by Switzerland, Iceland, and Denmark — and China and the U.S. were responsible for the largest volumes overall. Nearly 60 percent of e-waste by weight came from electronic components and wiring in large and small kitchen, bathroom, and laundry appliances, and 7 percent was discarded mobile phones, calculators, personal computers, and printers, the report said. It also found that less than one-sixth of all discarded electronics were properly recycled, and an estimated $52 billion in gold, copper, silver, and recoverable materials went to waste.
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17 Apr 2015: New Mapping Tool Could
Lower Cost of Finding Geothermal Energy

A new online mapping tool could help governments and investors evaluate the geothermal energy potential for locations around

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geothermal map

Geothermal mapping tool
the globe through satellite measurements, lowering the risks and costs involved in developing this clean energy source, its creators say. The tool uses gravity measurements from European Space Agency (ESA) satellites to look for certain characteristics unique to geothermal reservoirs, including areas with thin crusts, subduction zones, and young magmatic activity. This helps determine which locations are most likely to possess geothermal energy potential, narrowing the search — and cost — for prospectors. The project, which is a partnership between the ESA and the International Renewable Energy Agency (IRENA), will "help make a strong business case for geothermal development where none existed before,” said a director at IRENA.
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16 Apr 2015: Researchers Discover New
Source of Methane in the Arctic Ocean

A large reservoir of methane — a greenhouse gas many times more potent than carbon dioxide — was recently discovered on

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Knipovich Ridge in Arctic Ocean

Knipovich Ridge in the Arctic Ocean
Knipovich Ridge in the central Arctic Ocean, according to research published in the journal Geology. The methane in this deposit is locked up in icy crystals of water and gas called hydrates, and it was produced by abiotic geological processes rather than by microbes breaking down organic matter, as most methane is, the authors explain. Until now, scientists had not known that hydrates could contain this type of methane. "Up to 15,000 gigatons of carbon may be stored in the form of hydrates in the ocean floor, but this estimate is not accounting for abiotic methane," said co-author Jürgen Mienert. "So there is probably much more."
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Interview: For Buddhist Leader,
Religion and Environment Are One

Ogyen Trinley Dorje, spiritual leader of a 900-year-old lineage of Buddhism, says his deep concern for environmental issues
His Holiness the 17th Karmapa

His Holiness the 17th Karmapa
stems from his boyhood living close to the land on the Tibetan plateau. Now, as His Holiness the 17th Karmapa, he is promoting a program that seeks to instill good environmental practices in Buddhist monasteries in the Himalayan region. In an interview with Yale e360, the Karmapa talks about how ecological awareness fits with the Buddhist concept of interdependence, why the impacts of climate change in the Himalaya are so significant, and what role religion can play in helping meet the world’s environmental challenges. “The environmental emergency that we face is not just a scientific issue, nor is it just a political issue,” he says. “It is also a moral issue.”
Read the interview.
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15 Apr 2015: Entries Invited for e360
Contest For Best Environmental Videos

The second annual Yale Environment 360 Video Contest is now accepting entries. The contest honors the best environmental videos. Entries must be videos that focus on an environmental issue or theme, have not been widely viewed online, and are a maximum of 15 minutes in length. Videos that are funded by an organization or company and are primarily about that organization or company are not eligible. The first-place winner will receive $2,000, two runners-up will each receive $500, and all winning entries will be posted on Yale Environment 360. The contest judges will be Yale Environment 360 editor Roger Cohn, New Yorker writer and e360 contributor Elizabeth Kolbert, and documentary filmmaker Thomas Lennon. The deadline for entries is June 15, 2015.
Read more.
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15 Apr 2015: Japan Emissions Hit Near-Record
High After Nuclear Power Plant Closings

Japan's carbon dioxide emissions reached their highest levels since 2007 last year, according to a government analysis of data
The Kashiwazaki-Kariwa nuclear power plant

Wikimedia Commons
The Kashiwazaki-Kariwa nuclear plant in Japan.
for the year ending in March 2014. Greenhouse gas emissions had been on a downward trend as the country replaced coal and natural gas power stations with nuclear plants. However, all 48 of Japan's nuclear power reactors have been offline since September 2013 — the result of rigorous safety checks enacted after the 2011 Fukushima disaster, Reuters reports. The country has increased natural gas and coal consumption to fill the void left by nuclear power, which had accounted for 26 percent of its electricity generation. Reports say the country is considering committing to a 20 percent decrease in CO2 emissions by 2030 as part of the upcoming Paris climate negotiations.
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14 Apr 2015: Canada Could Lose 70 Percent
Of Glaciers by End of Century, Study Finds

British Columbia and Alberta could lose 70 percent of their glaciers by the end of the 21st century, creating major problems
Berg Glacier in British Columbia

Berg Glacier in British Columbia
for local ecosystems, power supplies, and water quality, according to a study in Nature Geoscience. Wetter coastal mountain regions in northwestern British Columbia are expected to lose about half of their glacial volume, the researchers found, but the Rocky Mountains, in the drier interior portion of Canada, could lose 90 percent of their glaciers. “Soon our mountains could look like those in Colorado or California and you don’t see much ice in those landscapes,” said Garry Clarke, lead author of the study. Alberta and British Columbia have more than 17,000 glaciers and they play an important role in hydroelectric power production. The glaciers also contribute to the water supply, agriculture, and tourism, but the greatest impact of their loss could be on freshwater ecosystems, the researchers say.
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13 Apr 2015: Public Transportation Spending
Varies With Income and Geography in the U.S.

Households in different regions of the United States spend similar amounts on transportation, but how those costs break down

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transportation spending trends

Transportation spending trends in the U.S.
between gasoline and public transportation varies widely, according to data from the Bureau of Labor Statistics. In the South, where the average household owns 2.1 vehicles, spending on gasoline is higher and public transportation spending is lower than in any other region. In contrast, households in the Northeast — which own an average of 1.6 vehicles per household — spend the least on gasoline and the most on public transportation of any region in the U.S. The spending breakdown also varies with income. Households in the highest income bracket spend more than $1,400 annually on public transportation — nearly three times the national average of $537 and eight times the $163 spent by lowest-income households.
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Canine Conservation: Using Dogs
In War Against Poachers in Kenya


In Kenya’s Ol Pejeta Conservancy — home to some of the most endangered subspecies of rhinoceros — officials are deploying a new weapon to combat rampant rhino poaching: highly trained K-9 dogs. Six Belgian Malinois tracking and attack dogs are now working with Kenyan rangers to protect tiny populations of northern white rhinos and eastern black rhinos, which have been hunted to near-extinction by poachers seeking rhino horn for supposed medicinal purposes. Overseen by a former military dog instructor with the U.K. Royal Army Veterinary Corps, the K-9 units are being deployed not only in Ol Pejeta but also in a Tanzanian park that has been plagued by poaching.
Read the article.
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10 Apr 2015: Coal Power Plant Closings
To Spur Large CO2 Cut in U.S. in 2015

Thanks to the closing of a record number of coal-fired power plants, emissions from the U.S. power sector in 2015 are expected to fall 15 percent below 2005 levels, according to an analysis by Bloomberg New Energy Finance. The report said that seven percent of the U.S.’s coal-fired power capacity will be shut down this year, and that on the basis of emissions per-unit-of-power-generated, 2015 will be the cleanest year in more than 60 years. The loss of coal-fired power is being made up by cleaner natural gas-fired plants and by rapid growth of renewable energy, Bloomberg noted. U.S. solar power installations are expected to hit a record 9.1 gigawatts, led by California, and wind power installations should hit 8.7 gigawatts, led by Texas. “In 2015 we’ll take a giant, permanent step towards decarbonizing our entire fleet of power plants,” said analyst William Nelson.
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09 Apr 2015: Melting Arctic Permafrost
To Cause Massive but Gradual CO2 Release

A comprehensive new study of the potential climate change impacts of melting Arctic permafrost says that a vast amount of carbon dioxide will be released from thawing permafrost but that it will seep out gradually, rather than in an abrupt “carbon bomb.” Working since 2011, a group of 17 Arctic permafrost scientists studied the rate at which permafrost is thawing and the resulting release of CO2. The scientists concluded that Arctic permafrost has undergone a stunning degree of warming, rising from an average of 18 F three decades ago to 28 F today. As permafrost continues to melt, it will release an amount of carbon roughly equal to the carbon released from current rates of deforestation, the study said. The study, published in the journal Nature, said the CO2 release from thawing permafrost will be prolonged but gradual, giving society time to adapt to rising seas and other impacts of a warming climate.
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08 Apr 2015: Clay Shows Promise in
Capturing CO2 from Power Plants

Common clay can be just as effective as more advanced materials in capturing carbon dioxide emissions from power plants, according to research by Norwegian and Slovak scientists. One particular type of clay mineral, known as smectite, was especially effective in absorbing CO2 emissions, the researchers said in the journal Scientific Reports. One possible use for clay would be to incorporate it into filters or scrubbers in smokestacks at power plants, the scientists said. They said their research into clay’s CO2-absorbing capabilities is preliminary and would not be available for commercial use anytime soon. But the scientists said clay offers many benefits compared to some other expensive and potentially toxic CO2-scrubbing materials.
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07 Apr 2015: Nationwide Vehicle Emissions
Database Could Help Cities Curb CO2

Researchers at Boston University have created a nationwide database for determining how much carbon dioxide

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on-road vehicle CO2 emissions

Nationwide CO2 emissions from vehicle travel
is produced by vehicle travel in U.S. cities and suburbs — an essential part of greenhouse gas reduction efforts, they say. Encompassing 33 years of data, the system provides kilometer-by-kilometer views of vehicle emission trends from roads across the country. Those emissions account for 28 percent of all fossil fuel CO2 emissions in the U.S., the researchers note. The data highlight the ongoing shift in the U.S. toward urban traffic and emissions. For example, cities have been responsible for 80 percent of the growth in vehicle CO2 emissions since 1980 and for 63 percent of total vehicle CO2 in 2012. Emission levels and trends can vary dramatically across different cities, however. Population density hasn't changed much in Salt Lake City since the 1980s, but the per-capita emissions have soared because the suburb and exurb populations are growing, the data indicate.
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06 Apr 2015: Millions of Acres of Grasslands
Cleared For Biofuel Crops, Study Finds

Biofuel crops expanded onto 7 million acres of new land in the U.S. over a recent four-year period, replacing millions of
soybeans for biofuel

Soybeans are a source of biodiesel fuel.
acres of grasslands, according to new research from the University of Wisconsin. Using high-resolution satellite imagery, the researchers calculated that converting grasslands to croplands for corn and soy biofuels could have emitted as much carbon dioxide as 34 coal-fired power plants operating for one year, or the equivalent of an additional 28 million cars on the road. Nearly 80 percent of cropland expansion replaced grasslands, which store large amounts of carbon in their soils, according to the report published in Environmental Research Letters. The study is the first comprehensive analysis of land-use change across the U.S. between 2008 and 2012, following the passage of the federal Renewable Fuel Standard.
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02 Apr 2015: Complexity of Ocean Heating and
Circulation Shown in Vibrant Simulation

This swirling, vibrant visualization of global water-surface temperatures from Los Alamos National Laboratory depicts

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metal criticality

Global ocean surface temperatures
the complexity of ocean circulation and heat absorption. Cool temperatures appear as blues and greens while warmer waters are red and yellow. A clear temperature divide exists between waters in the Northern Hemisphere and those in the Southern Hemisphere. Researchers say that oceans south of the equator have absorbed substantially more heat over the past decade. Vortices near the surface, which play key roles in ocean circulation, appear as swirls on this map.
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01 Apr 2015: Curbing Global Warming Aligns
With U.S. Christians' Beliefs, Survey Finds

A majority of American Christians think global warming is happening and that the government should support research and

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metal criticality

Majorities of U.S. Christians say global warming is real.
tax policies that promote renewable sources of energy and energy efficiency, according to a new report from the Yale Project on Climate Change Communication. Among Catholics, 69 percent think global warming is happening, which is a higher percentage than Americans overall (63 percent). A majority of non-evangelical Protestants — 62 percent — also think global warming is occurring, as do 51 percent of evangelicals. The survey also found that majorities of Catholics, Protestants, and evangelicals say it is important to them personally to care for future generations, the natural environment, and the world’s poor. Of the three groups, evangelical Christians were the most likely to say that God expects people to be responsible stewards of nature.
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31 Mar 2015: Major Wildlife Impacts
Still Felt 5 Years After Gulf Oil Spill

Nearly five years after the Deepwater Horizon oil spill, dolphins in the Gulf of Mexico continue to die at unprecedented rates, endangered Kemp’s ridley sea turtles are experiencing diminished nesting success, and many species of fish are suffering from abnormal development among some juveniles after exposure to oil. Those are the conclusions of a new study from the National Wildlife Federation, released three weeks before the fifth anniversary of the Deepwater Horizon spill, which began on April 20, 2010. The study also said that populations of brown pelicans and laughing gulls have declined by 12 and 32 percent respectively, and that oil and dispersant compounds have been found in the eggs of white pelicans nesting in Minnesota, Iowa, and Illinois. The National Wildlife Federation said that the oil giant, BP, must be held fully accountable for the environmental damage and that fines and penalties should be used to restore habitats in the Gulf. Meanwhile, in advance of the spill’s fifth anniversary, BP is stepping up its public relations efforts to assure consumers that life is returning to normal in the Gulf.
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Natural Filters: Mussels Deployed
To Clean Up Polluted Waterways

Conservationists and scientists in the U.S. and Europe are working to re-establish declining or endangered freshwater mussel
Eastern elliptio freshwater mussel

An Eastern elliptio mussel
populations so these mollusks can use their natural filtration abilities to clean up pollution in waterways. One such program has been established on the U.S.’s Delaware River, where environmentalists and biologists are reseeding mussel populations in the more polluted sections of the river and in tributary streams. Water companies have expressed interest in these programs in the hope that large populations of freshwater mussels might eventually relieve the companies of some of the burden and expense of mechanical water filtration.
Read the article.
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