Why Restoring Wetlands <br />Is More Critical Than Ever

Report

Why Restoring Wetlands
Is More Critical Than Ever

by bruce stutz
Along the Delaware River estuary, efforts are underway to restore wetlands lost due to centuries of human activity. With sea levels rising, coastal communities there and and elsewhere in the U.S. and Europe are realizing the value of wetlands as important buffers against flooding and tidal surges.
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Primate Rights vs Research: <br /> Battle in Colombian Rainforest

Report

Primate Rights vs Research:
Battle in Colombian Rainforest

by chris kraul
A Colombian conservationist has been locked in a contentious legal fight against a leading researcher who uses wild monkeys in his search for a malaria vaccine. A recent court decision that banned the practice is seen as a victory in efforts to restrict the use of monkeys in medical research.
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Tainted Harvest: An e360 Special Report/Part III

The Soil Pollution Crisis in China:<br /> A Cleanup Presents Daunting Challenge

The Soil Pollution Crisis in China:
A Cleanup Presents Daunting Challenge

by he guangwei
Chinese officials are only starting to come to grips with the severity and extent of the soil pollution that has contaminated vast areas of the nation’s farm fields – by one estimate more than 8 percent of China’s arable land. But one thing is already clear: The cost and complexity of any remediation efforts will be enormous.
The third and final article in a series.

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Scientists Look for Causes of <br />Baffling Die-Off of Sea Stars

Report

Scientists Look for Causes of
Baffling Die-Off of Sea Stars

by eric wagner
Sea stars on both coasts of North America are dying en masse from a disease that kills them in a matter of days. Researchers are looking at various pathogens that may be behind what is known as sea star wasting syndrome, but they suspect that a key contributing factor is warming ocean waters.
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Loss of Snowpack and Glaciers<br /> In Rockies Poses Water Threat

Report

Loss of Snowpack and Glaciers
In Rockies Poses Water Threat

by ed struzik
From the Columbia River basin in the U.S. to the Prairie Provinces of Canada, scientists and policy makers are confronting a future in which the loss of snow and ice in the Rocky Mountains could imperil water supplies for agriculture, cities and towns, and hydropower production.
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On Front Lines of Recycling, <br />Turning Food Waste into Biogas

Report

On Front Lines of Recycling,
Turning Food Waste into Biogas

by rachel cernansky
An increasing number of sewage treatment plants in the U.S. and Europe are processing food waste in anaerobic biodigesters, keeping more garbage out of landfills, reducing methane emissions, and producing energy to defray their operating costs.
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Peak Coal: Why the Industry’s <br />Dominance May Soon Be Over

Analysis

Peak Coal: Why the Industry’s
Dominance May Soon Be Over

by fred pearce
The coal industry has achieved stunning growth in the last decade, largely due to increased demand in China. But big changes in China’s economy and its policies are expected to put an end to coal’s big boom.
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Life on the Mississippi: <br />Tale of the Lost River Shrimp

Dispatch

Life on the Mississippi:
Tale of the Lost River Shrimp

by paul greenberg
The 20th-century re-engineering of the Mississippi River wreaked havoc on natural systems and devastated once-abundant populations of native river shrimp. Biologist Paul Hartfield has focused his work on studying these creatures, which were known for making one of the world’s great migrations.
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Can Waterless Dyeing Processes <br />Clean Up the Clothing Industry?

Report

Can Waterless Dyeing Processes
Clean Up the Clothing Industry?

by lydia heida
One of the world’s most polluting industries is the textile-dyeing sector, which in China and other Asian nations releases trillions of liters of chemically tainted wastewater. But new waterless dyeing technologies, if adopted on a large scale, could sharply cut pollution from the clothing industry.
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A Blueprint to End Paralysis <br />Over Global Action on Climate

Opinion

A Blueprint to End Paralysis
Over Global Action on Climate

by timothy e. wirth and thomas a. daschle
The international community should stop chasing the chimera of a binding treaty to limit CO2 emissions. Instead, it should pursue an approach that encourages countries to engage in a “race to the top” in low-carbon energy solutions.
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e360 digest

Earth Observation Satellites Help
Scientists Understand Global Change


Global warming is affecting more than just atmospheric temperatures — it is also changing water cycles, soil conditions, and animal migrations. Earth observation satellites aid scientists in measuring and monitoring these changes so societies can better adapt. Although there are well over 1,000 active orbiting satellites, less than 15 percent are used to monitor Earth’s environment. Yale Environment 360 presents a gallery of satellites that scientists are using to better understand how the planet is changing.
View the gallery.

29 Jul 2014: Danish Wind Power To Be Half
The Price of Coal and Natural Gas by 2016

Wind power has overtaken all other energy sources as the cheapest form of electricity in Denmark, with a cost

Frederikshavn, Denmark
roughly half that of coal and natural gas projected by 2016, according to an analysis by the Danish Energy Association (DEA). Home to major turbine manufacturers Vestas and Siemens, the country has been investing steadily in wind power since the 1970s and seems to be reaping the benefits of those investments now, analysts say. Electricity from two new onshore wind power facilities set to begin operating in 2016 will cost around 5 euro cents per kilowatt-hour, according to DEA calculations. The Danish government aims to meet 50 percent of the country's total electricity needs with wind power by 2020, and another 20 percent with other renewable sources. By 2050, the government aims to produce all electricity from renewable sources.

 

Five Questions for Jeffrey Sachs
On Decarbonizing the Economy

Thirty scientific institutions from 15 countries last week released a report for the United Nations outlining how
Jeffrey Sachs
Jeffrey Sachs

e360 Five Questions
the world’s major carbon dioxide-emitting nations can slash those emissions by mid-century. Called the Deep Decarbonization Pathways Project, the initiative aims to provide leaders with a plan of action in advance of a UN summit in September and climate negotiations in Paris in late 2015. Yale Environment 360 asked Jeffrey Sachs, director of Columbia University’s Earth Institute and a key player in the decarbonization project, five questions about the initiative and the prospects for global action on the climate front.
Read more.

28 Jul 2014: Trees Save Lives and Billions in
Health Costs Annually, Forest Service Finds

Trees are saving more than 850 human lives each year and preventing 670,000 cases of acute respiratory symptoms in the U.S., according to the first broad-scale

Click to Enlarge
Pollution removal by trees

Pollution removal by trees
estimate of trees' air pollution removal by U.S. Forest Service researchers. Looking at four common air pollutants — nitrogen dioxide, ozone, sulfur dioxide, and particulate matter with a diameter less than 2.5 microns — researchers valued the human health benefits of the reduced air pollution at nearly $7 billion annually in a study published in the journal Environmental Pollution. The benefits of trees vary with tree cover across the nation, the researchers note. Tree cover in the United States is estimated at 34.2 percent overall, but varies from 2.6 percent in North Dakota to 88.9 percent in New Hampshire. While the pollution-removal capabilities of trees led to an average air quality improvement of less than 1 percent, the impacts are substantial, the study found.

 

Interview: Where Will the Earth
Head After Its ‘Climate Departure’?

The term “climate departure” has an odd ring, but its meaning is relatively straightforward. It marks the point at which the earth’s climate begins to cease resembling
“Camilo
Camilo Mora
what has come before and moves into a new state where the extreme becomes the norm. Camilo Mora — a University of Hawaii biogeographer, ecologist, and specialist in marshaling big data for climate modeling — has calculated a rough idea for the time of the earth’s climate departure: 2047. That date varies depending on region, he says. But in a widely publicized paper published in the journal Nature last year, Mora and 13 colleagues explored the concept of climate departure and what it will mean for our planet. In an interview with Yale Environment 360, Mora explains why tropical regions will be most profoundly affected by climate change, why controlling population growth is at the core of the challenge posed by global warming, and the frustrations he and other scientists feel as their warnings about rising temperatures are ignored.
Read more.

25 Jul 2014: Southwestern U.S. Aquifers
Are Extremely Low, NASA Data Show

Groundwater reserves in the U.S. Southwest are severely low and prospects for their long-term viability are bleak as persistent drought continues to parch the

Click to Enlarge
Groundwater aquifer levels

U.S. groundwater stores
land and prevent recharging, according to an assessment from NASA. As shown in this map, many underground aquifers in the Southwest are extremely dry compared to average conditions over the past 60 years. Deep red areas on the map, such as in southern California and Nevada, depict aquifers that are so dry there's less than a 2 percent chance they could have experienced such levels of drought-related depletion since 1948. Although the Pacific Northwest is experiencing drought-related wildfires, its aquifers appear to be well-stocked, according to the map. The discrepancy is likely due to the long lag between dry conditions at the surface and depletion of groundwater reserves, researchers say.

 
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