Mining Showdown in Andes <br />Over Unique Páramo Lands

Report

Mining Showdown in Andes
Over Unique Páramo Lands

by chris kraul
High-altitude neotropical ecosystems known as páramos are increasingly at risk in Colombia and elsewhere in South America as major mining companies seek to exploit rich deposits of gold and other minerals. Such projects, scientists warn, could have serious impacts on critical water supplies.
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Unsustainable Seafood: A New <br />Crackdown on Illegal Fishing

Report

Unsustainable Seafood: A New
Crackdown on Illegal Fishing

by richard conniff
A recent study shows that a surprisingly large amount of the seafood sold in U.S. markets is caught illegally. In a series of actions over the last few months, governments and international regulators have started taking aim at stopping this illicit trade in contraband fish.
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UN Panel Looks to Renewables <br />As the Key to Stabilizing Climate

Analysis

UN Panel Looks to Renewables
As the Key to Stabilizing Climate

by fred pearce
In its latest report, the UN's Intergovernmental Panel on Climate Change makes a strong case for a sharp increase in low-carbon energy production, especially solar and wind, and provides hope that this transformation can occur in time to hold off the worst impacts of global warming.
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A Public Relations Drive to <br />Stop Illegal Rhino Horn Trade

Report

A Public Relations Drive to
Stop Illegal Rhino Horn Trade

by mike ives
Conservation groups are mounting campaigns to persuade Vietnamese consumers that buying rhino horn is decidedly uncool. But such efforts are likely to succeed only as part of a broader initiative to crack down on an illicit trade that is decimating African rhino populations.
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Will Increased Food Production <br />Devour Tropical Forest Lands?

Analysis

Will Increased Food Production
Devour Tropical Forest Lands?

by william laurance
As global population soars, efforts to boost food production will inevitably be focused on the world’s tropical regions. Can this agricultural transformation be achieved without destroying the remaining tropical forests of Africa, South America, and Asia?
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On Fracking Front, A Push <br />To Reduce Leaks of Methane

Report

On Fracking Front, A Push
To Reduce Leaks of Methane

by roger real drouin
Scientists, engineers, and government regulators are increasingly turning their attention to solving one of the chief environmental problems associated with fracking for natural gas and oil – significant leaks of methane, a potent greenhouse gas.
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New Satellite Boosts Research <br />On Global Rainfall and Climate

Analysis

New Satellite Boosts Research
On Global Rainfall and Climate

by nicola jones
Although it may seem simple, measuring rainfall worldwide has proven to be a difficult job for scientists. But a recently launched satellite is set to change that, providing data that could help in understanding whether global rainfall really is increasing as the planet warms.
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Scientists Focus on Polar Waters <br />As Threat of Acidification Grows

Report

Scientists Focus on Polar Waters
As Threat of Acidification Grows

by jo chandler
A sophisticated and challenging experiment in Antarctica is the latest effort to study ocean acidification in the polar regions, where frigid waters are expected to feel most acutely the ecological impacts of acidic conditions not seen in millions of years.
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Point/Counterpoint: Reviving Extinct Species

De-Extinction Debate: Should We <br />Bring Back the Woolly Mammoth?

De-Extinction Debate: Should We
Bring Back the Woolly Mammoth?

A group led by futurist Stewart Brand is spearheading a movement to try to use genetic technology to revive extinct species, such as the woolly mammoth and the passenger pigeon. In a Yale Environment 360 debate, Brand makes the case for trying to bring back long-gone species, while biologist Paul R. Ehrlich argues that the idea is ill conceived and morally wrong.
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Should Universities Divest <br />From Fossil Fuel Companies?

Point/Counterpoint

Should Universities Divest
From Fossil Fuel Companies?

Student and activist groups have been urging universities to take a stand against climate change by divesting from companies that produce oil, natural gas, or coal. In a Yale Environment 360 debate, activist Bob Massie makes the case for divestment as a necessary tool in pushing for action on climate, while economist Robert Stavins argues it would be merely symbolic and have little effect.
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In a Host of Small Sources, <br />Scientists See Energy Windfall

Report

In a Host of Small Sources,
Scientists See Energy Windfall

by cheryl katz
The emerging field of “energy scavenging” is drawing on a wide array of untapped energy sources­ — including radio waves, vibrations created by moving objects, and waste heat from computers or car exhaust systems — to generate electricity and boost efficiency.
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e360 digest

Five Questions for IPCC Chairman
On Future of Climate Change Action

The UN Intergovernmental Panel on Climate Change this month issued a report on steps the world can take
Rajendra Pachauri
Rajendra Pachauri

e360 Five Questions
to avoid the worst impacts of future climate change. It was the final interim report before the IPCC’s major Fifth Assessment Report due to be released in October. Yale Environment 360 asked Rajendra K. Pachauri, who has served as IPCC chairman since 2002, five questions about the latest report and about the prospects that the international community will finally take decisive action to address climate change at talks scheduled in Paris in 2015.
Read more.

24 Apr 2014: Browning of Congo Rainforest
Is Depicted in NASA Satellite Data

Persistent drought has taken a major toll on Africa's Congo rainforest, with large-scale browning intensifying and affecting a growing portion of the forest over the past decade, an analysis of NASA satellite data shows. A

Click to Enlarge
Browning of Congo rainforest

Browning of Congo rainforest
browning trend significantly dwarfed smaller areas of "greening" — a satellite-derived indicator of forest health — during April, May, and June each year from 2000 to 2012, according to research published in Nature. The browning of Congo's rainforest is significant, researchers said, because most climate models forecast that tropical forests may face increasing stress and rainfall shortages in a warmer and drier 21st century. A continued drying trend might alter the composition and structure of the Congo rainforest, affecting its biodiversity and carbon storage, according to the study. "Recent climate anomalies as a result of climate change and warming of the Atlantic Ocean have created severe droughts in the tropics, causing major impacts on forests," a NASA researcher said.

 

22 Apr 2014: Run-of-River Hydropower Set
For Big Gains, Turbine Maker Predicts

A type of hydroelectric technology known as "run-of-river" hydropower is set to grow 10-fold over the next decade, potentially becoming a $1.4 billion industry,
Hugh Keenleyside Dam, a run-of-river hydropower station
Hugh Keenleyside Dam
according to Dutch turbine maker Tocardo International BV. Run-of-river hydropower stations redirect part of a waterway through a diversion to spin turbines and generate electricity. Run-of-river is considered a more benign type of hydropower than large dam projects because it is a smaller-scale technology that doesn't create large upstream reservoirs that flood ecosystems and disrupt a river's natural flow. Some conservation groups are concerned that problems with migratory fish passage and other environmental issues could outweigh the power-generating potential of run-of-river hydro projects. The company implemented its first project to harness tidal streams at Den Oever, Holland, and it has been operating for five years.

 

Studying a Polar Menagerie
On an Island in Arctic Russia

Ninety miles from the Russian mainland and 300 miles above the Arctic Circle, Wrangel Island is home to an eclectic assortment of fauna and flora — muskoxen,

Joel Berger Arctic Field Notes

Joel Berger Arctic Field Notes 2
Second in a series of blog posts from the Russian Arctic
polar bears, wolves, reindeer, wolverines, walruses, Asia’s only population of snow geese, and 417 plant species. Joel Berger, a field biologist with the Wildlife Conservation Society and the University of Montana, spent several weeks on Wrangel Island this spring. In the second of three blog posts for e360, he describes the arduous conditions under which Russian and U.S. scientists collect data on the island’s odd assortment of creatures.
Read more.

21 Apr 2014: Massive Data Crunch
Shows Steady Rise in Warmer Days

The proportion of days in the United States that are warmer than the long-term average increased from 42 percent in 1964 to 67 percent today, according to an analysis of 3.2 million temperature anomalies over the last

Click to Enlarge
US temperature anomalies since 1964

U.S. temperature anomalies since 1964
50 years. Enigma.io, a New York City-based company that specializes in searches of information from public databases, examined data from 2,716 U.S. weather stations to track the temperature anomalies. The company found that since 1964, temperature anomalies characterized as warm or “strong warm” have increased by an average of .5 percent a year. Enigma’s data show, for example, that in 2012, 84 percent of temperature anomalies in the U.S. skewed on the warm side. The company forecast that by the 2030s more than 70 percent of anomalous temperatures in the U.S. are likely to be higher than the historical average, rather than colder.

 

An e360 Interview with Wendell Berry:
Strong Voice for Local Farms and the Land

Author Wendell Berry wrote about and practiced “sustainable agriculture” long before the term was widely used. His early writings in the 1970s, in which he argued against industrial agriculture and for small-scale, local-based farming, strongly influenced the U.S.
Wendell Berry
© Counterpoint Press
Wendell Berry
environmental movement. At age 79, Berry still speaks eloquently about the importance of local communities and of caring for the land, while warning about the destructive potential of industrialization and technology. In an interview with Yale Environment 360, he talked about his Kentucky farm and why he has remained there, why sustainable agriculture faces an uphill battle, and why strong rural communities are important. “A deep familiarity between a local community and a local landscape is a dear thing, just in human terms,” Berry said. “It’s also, down the line, money in the bank, because it helps you to preserve the working capital of the place.”
Read the interview.

 
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