Environment – Page 22

Century of Drought May Be Ahead
By the Editor on July 30, 2012
A drought that gripped western North America from 2000 to 2004 was the worst since the Middle Ages, but...
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Koch-Funded Climate Change Skeptic Reverses Course
By the Editor on July 30, 2012
The verdict is in: Global warming is occurring and emissions of greenhouse gases caused by human activity are the...
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Scientists Use Microbes to Make Clean Methane
By the Editor on July 30, 2012
Microbes that convert electricity into methane gas could become an important source of renewable energy, according to scientists from...
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Summer Storms to Create New Ozone Holes as Earth Warms?
By the Editor on July 26, 2012
Summer storms may create new holes in our protective ozone layer as Earth heats up—bringing increased solar ultraviolet radiation...
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Grand Canyon-Sized Rift Speeding Antarctic Ice Melt
By the Editor on July 26, 2012
A rift in the Antarctic rock as deep as the Grand Canyon is increasing ice melt from the continent,...
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Forest ‘Disruption’ Greater Threat Than Climate Change
By the Editor on July 25, 2012
Deforestation of protected areas and illegal hunting of endangered species that live there has a greater impact on biodiversity...
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What We Know About Climate Change and Drought
By the Editor on July 25, 2012
As farmers in the United States slog through the country’s largest drought in 50 years, a lot of people...
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Satellites See Unprecedented Greenland Ice Sheet Surface Melt
By the Editor on July 24, 2012
For several days in July, Greenland’s surface ice cover melted over a larger area than at any time in...
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Polar Bears, Brown Bears Interbreed to Cope With Climate Change
By the Editor on July 24, 2012
Polar and brown bears diverged between 4 million and 5 million years ago, but they continued to interbreed when...
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Global Warming’s Terrifying New Math
By the Editor on July 23, 2012
Three simple numbers that add up to global catastrophe - and that make clear who the real enemy is
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Posts tagged with ‘Environment’