PBS NewsHour

West faces bleak future amid worst drought in 1,200 years

The so-called megadrought that is afflicting the American West is the worst in 1,200 years, according to a study published this week. It has dried up water supplies, threatened ranchers and fueled wildfires. Park Williams, the lead author of the study just published in the journal Nature Climate Change, joins William Brangham with more.

West faces bleak future amid worst drought in 1,200 years

6m 4s

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