LiveScience: Drought could kill vast swaths of forests around the world if global warming isn't contained, new research suggests.
That's in part because a fundamental structure found in trees may limit how much they can adapt to parched conditions.
What's more, climate predictions seem to suggest that droughts will be much more common in the United States, said William Anderegg, a biologist at Princeton University who studies forests and climate change. [Dry and Dying: Images of Drought]
"The droughts...