'Hot droughts' are becoming more common in the arid West, new study finds
Scientists looked at trees to better understand the interplay between temperatures and droughts in the Western U.S. Human-caused climate change is exacerbating both.
Take a period of limited rainfall. Add heat. And you have what scientists call a 'hot drought' – dry conditions made more intense by the evaporative power of hotter temperatures.
A new study, published in the journal , Wednesday, finds that hot droughts have become across the western U.S.
