It’s Not Just Poor Rains Causing Drought; Atmosphere Is ‘Thirstier'

Higher temperatures caused by climate change are driving complex processes that make droughts bigger and more severe, new research shows.

Look down from a plane at farms in the Great Plains and the West and you’ll see green circles dotting the countryside, a kind of agricultural pointillism.

They’re from center-pivot irrigation systems. But some farmers are finding older versions, many built 10, 15 or even 20 years ago, aren’t keeping up with today’s hotter reality, said Meetpal Kukal, an agricultural hydrologist at the University of Idaho...

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