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Drought could reverse drop in Nevada tree beetles

Scientists say there's been a significant reduction in the amount of Nevada forest under assault from bark beetles and similar bugs, but they fear lingering drought will further weaken trees and make them more susceptible ...

dateAug 11, 2014 in Ecology
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Extreme weather events fuel climate change

When the carbon dioxide content of the atmosphere rises, the Earth not only heats up, but extreme weather events, such as lengthy droughts, heat waves, heavy rain and violent storms, may become more frequent. Whether these ...

dateAug 14, 2013 in Earth Sciences
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