So how, exactly, does global warming kill forests?

Summit County Citizens Voice

Global warming has killed half a billion trees across the U.S.

forest2 Global warming is killing forests around the world. @bberwyn photo.

Staff Report

Scientists tracking massive forest die-offs say a new study may help forest managers learn how to predict which trees will succumb to global warming — and what the implications are for the global carbon balance.

“There are some common threads that we might be able to use to predict which species are going to be more vulnerable in the future,” said University of Utah biologist William Anderegg, explaining that recent tree-killing droughts in the western U.S. were marked more by elevated temperature than by a lack of rainfall.

“These widespread tree die-offs are a really early and visible sign of climate change already affecting our landscapes,” Anderegg said.

More stories on global warming and forests:

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