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06 Nov 2014: Scientists Call For Greater Diversity of Viewpoints on Conservation

In a call to arms published this week in the journal Nature, a group of more than 200 environmental scientists, academics and others involved in the fields of conservation research, policy and advocacy, condemned what they called a lack of diversity within their ranks and the philosophical polarization they say it has engendered. Spearheaded by Heather Tallis, lead scientist at the Nature Conservancy, and Jane Lubchenco, a professor of marine biology at Oregon State University and former head of the National Oceanic and Atmospheric Administration, the commentary argues that a once-spirited but constructive debate between two conservation philosophies — one viewing nature as intrinsically valuable, the other connecting its value with its utility — was now mired in vitriol and acrimony. "We believe that this situation is stifling productive discourse, inhibiting funding and halting progress," the authors wrote, adding that the situation was being made worse because the "dispute has become dominated by only a few voices, nearly all of them men’s."
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05 Nov 2014: Norway Best Prepared Nation
For Climate Change, Global Index Shows

Norway is the best prepared country for climate change, and has been so for almost 20 years, according to

Lofoten, Norway
rankings compiled by the University of Notre Dame. New Zealand, Sweden, Finland, and Denmark rounded out the top five, while Chad, Burundi, Eritrea, Central African Republic, and Congo make up the bottom of the Global Adaptation Index. The rankings highlight the disparities between the world’s relatively wealthy, developed nations and its developing economies when it comes to dealing with climate change. Many of the highest ranking countries do face moderate exposure to climate change, the researchers said, but access to amenities such as electricity, sanitation, clean drinking water, and functional governance have left them better prepared. The economies of many developing countries, however, depend on natural resources, which makes their political and economic stability more susceptible to climate change. The index ranked 178 countries on their vulnerability and readiness to adapt to natural disasters associated with global warming.
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Interview: Saving World’s Oceans Begins With Coastal Communities

Aggressively curbing overfishing, pollution, and development is something coastal communities
“Ayana
Ayana Johnson
can do immediately to protect their ocean resources — and with dramatic results — says marine biologist Ayana Elizabeth Johnson. As the executive director of the Waitt Institute, an ocean conservation organization, Johnson recently put that approach to the test on the Caribbean island of Barbuda. In an interview with Yale Environment 360, she discusses how she helped Barbuda craft rules to protect its ocean resources and why she favors community-driven conservation efforts over more top-down approaches.
Read the interview.
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03 Nov 2014: Climate Impacts To Be Severe and Irreversible Without Emission Cuts, UN Says

Climate change will have “severe, widespread, and irreversible impacts” on society and the environment

The U.N. climate panel's synthesis report was released on November 2.
unless nations swiftly and drastically cut carbon emissions — a goal that, while difficult, still remains within reach, according to a comprehensive new United Nations climate report released this week. Failure to curb emissions by the end of the century will likely lead to food shortages, refugee crises, the flooding of major coastal cities and entire island nations, and dangerous yet routine heat waves, among other impacts, the analysis concluded. But the panel also said for the first time that combating climate change is economically feasible. The new U.N. report synthesizes the findings from a series of analyses released over the past year by the Intergovernmental Panel on Climate Change — the panel's first major update since 2007.
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31 Oct 2014: Giant Galapagos Tortoises Are Making a Strong Comeback, Researchers Say

Giant Galapagos tortoises have made a remarkable comeback over the last five decades, and their

Giant Galapagos tortoise (Chelonoidis hoodensis)
population on the Galapagos island of Española is now secure, according to researchers from the U.S. and Ecuador. Although their global population was down to 15 individuals in the 1960s, after 40 years of captive breeding and reintroduction efforts, the species now numbers roughly 1,000, the study found. About half of the tortoises released on the island since 1975 were still alive in 2007, and they’re now reproducing on their own in the environment. Ecologically, though, the tortoises face some challenges, the study notes. A critical source of food is a native cactus species that was nearly wiped out by feral goats. This likely limits the tortoises' current range, but the reptiles are also aiding the return of the cactus, the scientists say, because they help to spread its seeds.
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30 Oct 2014: China Is Top Developing Nation for Clean Energy Investment, Analysis Finds

China is the most attractive among developing nations for low-carbon investment and deployment, according to an analysis by the Climatescope project, a partnership among various international development agencies and Bloomberg New Energy Finance. China received top marks because it is the largest manufacturer of wind and solar equipment in the world, has the largest demand market for wind and solar energy, and has taken major strides to improve its domestic policy framework score, the analysis said. Brazil ranked second, largely due to the country's aggressive approach to clean energy development and the availability of low-cost capital through its national bank, the report said. South Africa ranked third, and the analysis noted the nation had attracted $10 billion in clean energy investments in 2012 through 2013. The project ranked 55 developing countries on their past, present, and future ability to attract investment for clean energy companies and projects.
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29 Oct 2014: Weather and Climate Key in Weights of Penguin Chicks, Researchers Say

Local weather and large-scale climate trends have the largest impact on the weights of Adélie penguin chicks

An adult Adélie penguin feeds its chick.
— not food availability — according to researchers at the University of Delaware. Adélie penguins are native to the West Antarctic Peninsula, and their habitat is warming faster than most other parts of the planet. Looking at records dating back to 1987, scientists found that year-to-year changes in local weather — including wind speed, temperature, rain, and humidity — could cause chicks’ weights at the time they leave their nests to fluctuate by up to 7 ounces. That’s often the difference between a surviving and non-surviving chick, the researchers say. Biologists previously thought that food sources and parenting played the largest role in chicks’ health, but these findings suggest that exposure to elements is more important. The study "calls into question what happens to an ecosystem when you change climate quickly," principal investigator Matthew Oliver said.
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28 Oct 2014: Scientists Find Seafloor Fallout Plume of Oil from Deepwater Horizon Spill

Researchers say they have found a large fallout plume of oil on the seafloor from the 2010 Deepwater Horizon

Deepwater Horizon oil at the surface of the ocean
disaster in the Gulf of Mexico. According to a report in the Proceedings of the National Academy of Sciences, a portion of the 2 million barrels of oil thought to be trapped in the deep sea after the spill appears to have settled across a 1,250-square-mile patch of the seafloor centered around the Macondo Well, which discharged an estimated 5 million barrels of oil in the nearly three months between its blowout in April and eventual capping in July. The oil is concentrated in the top half-inch of the seafloor, and mostly distributed in patchy deposits to the southwest of the well, the study found. These deposits account for between 4 and 31 percent of the Macondo oil sequestered in the deep ocean, researchers estimate. The rest has likely been deposited outside this area, they say, but has evaded detection so far because of its patchiness.
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27 Oct 2014: Forests Protect Waterways
From Nitrogen Pollution, Researchers Find

Forest top soils capture and stabilize nitrogen pollution very quickly but release it slowly, according to new research published in the journal Ecology. The findings indicate that mature forests may be providing an under-appreciated service by storing excess nitrogen, which can lead to algal blooms and oxygen-depleted dead zones if too much is released into lakes and waterways. Older forests store nitrogen more efficiently than young forests recovering from clear-cuts, the researchers found, because they have accumulated more top soil and organic matter within the forest floor. Previously, it had been unclear how mature forests continued to capture and store nutrients such as nitrogen after they stopped adding tree biomass. The new research indicates it’s likely due to the delay between nitrogen uptake, which happens within days, and nitrogen release, which unfolds over years and decades.
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24 Oct 2014: New Mapping Tool Shows U.S. Geothermal Plants and Heat Potential

A new mapping tool from the U.S. Department of Energy lets users see how geothermal power plants

Enlarge

Geothermal power plants and heat flow potential
across the country are taking advantage of the heat stored within the earth’s crust. Most of the nation’s 154 operational and planned geothermal plants are clustered in western states, where geothermal heat potential is especially high (red areas). Notably, the map identifies two areas that appear ripe for new geothermal development: one in the Great Plains and another at the border of Virginia and West Virginia. The bulk of the facilities are conventional geothermal plants, which generate power using fluid found naturally deep below earth's surface. Steam captured at the surface spins a turbine, which then powers an electric generator. A newer type of technology, called enhanced geothermal, forces cold water from the surface down into the hot crust. Both types are generally considered clean sources of energy.
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23 Oct 2014: Drones Can Help Map Spread
Of Infectious Diseases, Researchers Say

Aerial drones can help track changes in the environment that may accelerate the spread of

Researchers in Malaysia program a drone
infectious diseases, an international team of researchers writes in the journal Trends in Parasitology. Land use alterations, such as deforestation or agricultural changes, can affect the movement and distribution of people, animals, and insects that carry disease, the authors explain. One drone project, for example, tracked changes in mosquito and monkey habitats in Malaysia and the Philippines. By combining land-use information collected by drones with public health data, researchers there are hoping to better understand how changes in the environment affect the frequency of contact between people and disease vectors like mosquitoes and macaques, both of which can harbor the malaria parasite.
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In East Coast Marshes, Goats
Take On a Notorious Invader


Land managers in the eastern U.S. and Canada have spent countless man-hours and millions of dollars trying to tame a pernicious, invasive reed known as Phragmites australis. Toxic herbicides, controlled burns, and even bulldozers have been the go-to solutions to the problem. But recent research out of Duke University suggests another, less aggressive fix: goats. The approach is finding practical applications, including in New York City, where officials deployed a herd of goats at Staten Island’s Freshkills Park.
Read more.
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21 Oct 2014: Desert and Mediterranean Plants
More Resistant to Drought than Expected

Desert and Mediterranean ecosystems may be more resistant to climate change, particularly long-term
Mediterranean ecosystem
Plants in a Mediterranean ecosystem in Chile.
drought, than previously thought, a new study published in Nature Communications shows. Over the course of a nine-year experiment, researchers subjected plants in four different climatic zones to rainfall conditions predicted under future climate change scenarios. The ecosystems typically received 3.5 to 30.7 inches of precipitation annually, and researchers cut that total by roughly 30-percent to simulate drought conditions. Surprisingly, the researchers found no measurable changes in plant biomass, density, or species composition and richness in any of the four ecosystems over the course of nine generations of plants. The ecosystems already receive highly variable amounts of rainfall and the 30-percent drop likely falls within the plants’ natural "comfort zone," the researchers say, which could explain the unexpected resilience to drought.
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20 Oct 2014: Electricity Access Has Small
Effect on Emissions in India, Study Says

Expanding electricity to the homes of 650 million people in India over the past 30 years had minimal
electricity access in India
A third of all households in India lack electricity.
direct impact on the country’s greenhouse gas emissions, according to a study published in Nature Climate Change. Although many humanitarian and development organizations have stressed the importance of improving electricity access in low-income countries, it has been unclear how this would impact overall emissions levels. An analysis of trends in India between 1981 and 2011 shows that expanding household electricity access by roughly 45 percent contributed only 3 to 4 percent to the nation's overall growth in carbon dioxide emissions. When the indirect effects of greater electricity access, such as increased wealth and consumerism, are taken into account, household electricity use raised India’s emissions by 11 to 25 percent over that period, the study found.
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17 Oct 2014: Pesticide Linked to Bee Deaths
Does Not Improve Soybean Crops, EPA Finds

Coating soybean seeds with a class of insecticides that has been implicated in honeybee deaths and partially
soybeans coated with neonicotinoids
Soybeans (left) and corn coated with pesticides
banned in the European Union does not increase soybean yields compared to using no pesticides at all, according to an extensive review by the the U.S. Environmental Protection Agency (EPA). Seed treatment provides at most $6 in benefits per acre (an increase in revenue of less than 2 percent), and most likely no financial benefit at all, the EPA analysis concluded. The insecticides, known as neonicotinoids, are only effective for the first few weeks after planting, studies have found, when soybean pests are not typically active. Neonicotinoid seed treatments could theoretically help fend off sporadic and unpredictable pests, the report notes, but that benefit would be small and unlikely to be noticed outside of the southern U.S.
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16 Oct 2014: Global Boom in Natural Gas
Unlikely to Help the Climate, Study Suggests

Increasing global supplies of unconventional natural gas will not help to reduce the overall upward trajectory of greenhouse gas emissions and the planetary warming that comes with it, according to a new study published in the journal Nature. The findings further undercut the notion, long touted by proponents of natural gas, that the fuel — which emits less CO2 than coal when burned — represents an important "bridge" in the transition to low-carbon energy resources. The study, which synthesized models developed by numerous researchers working independently, suggested atmospheric greenhouse gas concentrations over the next 35 years would remain virtually unchanged — and in some models, warming would be worsened — by increased natural gas production. This was in part attributed to the fact that the new gas supplies would provide a substitute not only for coal, but also for low-emissions technologies like nuclear power and renewables.
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15 Oct 2014: U.S. Climate Envoy Says All
Nations, Rich and Poor, Must Curb Emissions

The negotiating architecture that has governed the decades-long pursuit of an international climate
Todd Stern
Climate Envoy Todd Stern
agreement is outdated, said Todd Stern, the U.S. special envoy for climate change at the State Department and the nation’s lead climate negotiator. In remarks delivered at Yale University’s Law School on Tuesday, Stern reiterated the U.S. position that all nations — both rich ones and developing ones — must be brought together under one agreement that includes pledges to cut emissions. "This split between developed and developing countries in the climate convention is the singular fault line in these negotiations," Stern said, "and has been from the beginning." Under the recently expired Kyoto protocol, developing countries like China and India were exempted from committing to emissions cuts. Climate talks are scheduled to resume in Lima, Peru later this year, with a goal of achieving a new and fully global treaty at a meeting in Paris in 2015. That pact, Stern argued, ought to require all nations to submit emissions reduction targets, tailored as needed to national interests and abilities.
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14 Oct 2014: Researchers Explain Puzzling
Stability of Some Himalayan Glaciers

Unlike nearly all other high-altitude glaciers across the globe, glaciers in the Karakoram mountain chain, part
Karakoram glacier width=
Baltoro Glacier in the Karakoram range
of the Himalayas, are not melting and are even expanding in some areas. This so-called “Karakoram anomaly” has puzzled scientists for years, but now a team of researchers has offered an explanation: While rain from warm summer monsoons tends to melt mountain glaciers in other parts of the Himalayas and the nearby Tibetan Plateau, the location and height of mountains in the Karakoram chain, which runs along the borders of China, India, and Pakistan, protect the area from this seasonal precipitation. Instead, the mountain chain receives most of its precipitation in the form of winter snowfall, according to findings published in Nature Geoscience. The study suggests that the Karakoram glaciers are likely to persist until 2100, but not long after, if global warming continues at its current pace.
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E360 Video Winner: Intimate Look
At the Bighorn Sheep of the Rockies


“Peak to Peak,” the third-place winner of the Yale Environment 360 Video Contest, focuses on a herd of bighorn sheep in Montana and features remarkable scenes of lambs as they gambol along the slopes of the northern Rockies. Produced by Jeremy Roberts, the video follows a field biologist as he monitors the sheep and talks about the possible impact of climate change on the animals’ future.
Watch the video.
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13 Oct 2014: Climate Change To Make Many
Fish Species Extinct in Tropics, Study Says

Climate change is likely to drive fish and marine invertebrates toward the poles and cause extinctions

Enlarge

Local extinction hotspots
near the tropics, according to researchers at the University of British Columbia. Under the conservative climate change scenario of one degree Celsius of warming by 2100, the 802 species modeled in the study are predicted to move away from their current habitats by as much as 9 miles, or 15 kilometers, every decade — a rate similar to what scientists have observed over the past few decades. Under the worst-case scenario of three degrees of warming, the researchers predict marine species will move toward the poles at a rate of 26 kilometers per decade. Under that scenario, an average of 6.5 species per 0.5 degrees of latitude would become locally extinct closest to the equator. The shifts will be caused by the species' reactions to warming waters, changing ocean chemistry, and ecosystem structure near the tropics, as well as new habitats opening up nearer the poles, researchers say.
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10 Oct 2014: Natural Gas Production Causing
Large Methane Hotspot Over U.S. Southwest

A single methane “hotspot” in the U.S. Southwest accounts for 10 percent of the nation’s total estimated
methane coalbed
Coalbed natural gas field in northwest New Mexico
methane emissions, according to an analysis by researchers at the University of Michigan and Caltech. The area is centered in New Mexico's San Juan Basin near the shared borders of Colorado, Utah, and Arizona — the site of the largest and most active coalbed natural gas production operation in the U.S. Natural gas from the basin is more than 95 percent methane, a significantly more potent heat-trapping gas than carbon dioxide. Satellite measurements collected over seven years showed natural gas production operations in the area released roughly 650,000 tons of methane to the atmosphere each year. The methane emissions are not associated with hydraulic fracturing operations in the region, which began after the measurements were collected.
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09 Oct 2014: Investment in Energy Efficiency
Outpaces the Renewable Energy Sector

Global investments in energy-efficiency measures have reached $310 billion annually — nearly $100 billion more than investments in renewable energy last year, according to a new report from the International Energy Agency. Efficiency measures saved the equivalent of 2 billion tons of oil between 2001 and 2011 in the 18 countries evaluated in the report, which is more than the annual energy demand of the U.S. and Germany combined. The residential sector saw the largest improvement in efficiency, with energy demand falling 5 percent from 2001 levels, according to the report. Homes and businesses are commonly turning to efficiency measures such as low-energy lighting, smart thermostats, and improved insulation to lower energy costs. To limit global temperature increases to no more than 2 degrees Celsius, the largest share of emissions reductions — 40 percent — will need to come from improvements in energy efficiency, the agency said.
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08 Oct 2014: Floods Will Be Chronic Problem
For East Coast Cities by 2030, Study Says

By 2030, residents of Washington, D.C., and Annapolis, Maryland, could be experiencing more than 150 tidal floods every year — up

Enlarge

Tidal flood frequency
from an average of just 50 today — according to a recent study of sea level rise and coastal flood risk along the U.S. East Coast by the Union of Concerned Scientists. In another 15 years, that number could jump to 400 floods annually, the study says. A home purchased in some of the more flood-prone parts of those two cities could see daily flooding before a 30-year mortgage was paid off, according to the study. The increased frequency will be driven by sea level rise, researchers say, which exacerbates the effects of so-called “nuisance flooding” linked to tidal cycles, rainfall, and storm surges. Other cities on the Atlantic coast will also see increased flood frequency, including Miami and Atlantic City, New Jersey, which can expect an average of 240 flood days per year by 2045.
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Interview: A Call for Climate Goals
Other Than Two Degrees Celsius

When international delegates meet in Paris next year to negotiate a new climate agreement, they'll be aiming to keep the global average temperature from rising more than 2 degrees
“David
David Victor
Celsius above pre-industrial levels, the maximum seen by many for avoiding the worst impacts of climate change. But David Victor, a professor of international relations at University of California San Diego, argued in a recent controversial commentary in Nature that the 2-degree goal is now unattainable and should be replaced by more meaningful goals. In an interview with Yale Environment 360, Victor explains why he believes the 2-degree threshold has failed to position policy makers to take serious action on climate change and outlines the "basket of indicators" that he and his co-author are suggesting be used instead.
Read the interview.
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07 Oct 2014: Deep Oceans Not Warming
As Previously Thought, Study Finds

The deepest reaches of earth's oceans have not warmed significantly over the last decade, according to scientists at NASA's Jet Propulsion Laboratory in California — a finding that undermines a leading theory as to why the pace of global warming has slowed over the last 15 years. Scientists have speculated that the recent slowdown in rising surface air temperatures was a result of heat accumulating in the deep ocean. But in a paper published in the journal Nature Climate Change, the NASA researchers concluded that the vast majority of sea level rise since 2005 was attributable to just two sources: upper ocean heat expansion and glacial melting. From this they inferred that the deep ocean was not also warming. In a separate paper published in the same journal, however, scientists from the Lawrence Livermore Laboratory noted that the upper ocean was absorbing between 24 and 58 percent more heat than was previously thought. That's not enough to account for the pause in surface air warming, but the researchers suggest it is evidence that more accurate data on ocean warming is needed.
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06 Oct 2014: Number of Megacities Has
Nearly Tripled Since 1990, UN Report Says

The number of urban areas with more than 10 million inhabitants — sometimes called "megacities" — has

Enlarge

Urban footprint of Tokyo
nearly tripled in the last 24 years, jumping from 10 in 1990 to 28 in 2014, according to the latest UN report on world urbanization. The total number of people living in megacities has grown from 153 million to 453 million during that period, the report says, and such areas now account for 15 percent of global GDP. Although densely populated urban areas can be environmental blights, innovations in efficient transportation have arisen from some major cities in Asia and Lagos, Nigeria, because those cities have invested heavily in public transit infrastructure, researchers say.
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03 Oct 2014: Thousands of Uncharted Ocean
Floor Features Revealed by Satellite Data

New maps of the seafloor created using satellite data reveal thousands of uncharted mountains and clues

Enlarge

New detailed seafloor maps
about the formation of continents, researchers say. Among other findings, they identified a ridge in the Gulf of Mexico that had previously been associated with seafloor spreading, a major rift in the South Atlantic Ocean, and thousands of sea mountains — all of which had never before been documented. The maps are based on small ripples and dips in the surface of the ocean, which can be detected by satellites, the researchers explain in the journal Science. Using these ocean surface variations, the scientists were able to infer the shape and contours of the new seafloor features. Previously, the only way to create detailed maps was to collect depth soundings from ships sailing directly over the seafloor, so only about 20 percent of the ocean floor had been accurately mapped, researchers say.
PERMALINK

 

02 Oct 2014: Large Sediment Plumes Flowing
From Greenland Glaciers, Images Show

Plumes of sediment-laden meltwater from southwest Greenland’s glaciers are easily recognizable in this

Enlarge

Sediment plumes off the coast of Greenland
NASA satellite image captured in early September. Meltwater at the top of the ice sheet starts out relatively clean, but as it flows through glacial channels down to the ground and out into the ocean, it picks up large amounts of sediment — a byproduct of the glacier scraping the bedrock. As a result, plumes like the ones that appear light-blue in this photograph, are good markers for estimating the amount of meltwater leaving the ice sheet, researchers say. Melting from the Greenland Ice Sheet could result in global sea level rise of 2 to 8 inches, according to the most recent assessment from the Intergovernmental Panel on Climate Change.
PERMALINK

 

Interview: Still Bullish on Hybrids,
But Skeptical about Electric Cars

As one of the principal designers of the gasoline-electric hybrid Prius, Bill Reinert has never been shy about sharing his views on what
“Bill
Bill Reinert
he considers the poor prospects for fully electric vehicles — and on just about anything related to alternative fuels and the future of transportation. For Reinert, who recently retired from the Toyota Motor Corporation, the physical and performance limitations of battery technology are the key stumbling blocks for electrics. In an interview with Yale Environment 360, he talks about the potential he sees in other low-emissions vehicle technologies now in development, particularly fuel cells, and the state of the global effort to find efficient and affordable alternatives to gasoline-powered cars.
Read the interview.
PERMALINK

 

01 Oct 2014: Scientists Photograph Gathering
Of 35,000 Walruses on Alaskan Beach

In one of the largest gatherings of walruses documented in recent years, Alaska biologists photographed a

Enlarge

Gathering of walruses
congress of roughly 35,000 animals resting on a beach in northwestern Alaska. They swam to shore to rest, a walrus researcher explained, after the last remaining traces of sea ice melted in mid-September. Walruses typically rely on sea ice to provide a platform for resting and caring for their young as they swim to find clams, worms, and shrimp offshore, near the edge of the continental shelf. When no sea ice is available, as has been the case in the Chukchi Sea six of the last eight years, the walruses must make their way to shore. Besides taking them farther from their feeding grounds, the beach gatherings are dangerous for young walruses because they can be trampled, biologists say. The U.S. Fish and Wildlife Service is considering granting Endangered Species Act protections to Pacific walruses.
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