In a First, U.S. Declares Shortage on Colorado River, Forcing Water Cuts

Arizona farmers will take the initial brunt, but wider reductions loom as climate change continues to affect flows into the river.

‘No One Is Safe’: Extreme Weather Batters the Wealthy World

Floods swept Germany, fires ravaged the American West and another heat wave loomed, driving home the reality that the world’s richest nations remain unprepared for the intensifying consequences of climate change.

‘No One Is Safe’: Extreme Weather Batters the Wealthy World

Floods swept Germany, fires ravaged the American West and another heat wave loomed, driving home the reality that the world’s richest nations remain unprepared for the intensifying consequences of climate change.

Heat-Related Deaths Increase as Temperatures Rise in the West

Record-breaking heat was expected throughout the West Coast this weekend, days after a deadly heat wave struck Oregon and Washington State.

Against Expectations, Southwestern Summers Are Getting Even Drier

The finding by researchers runs counter to a basic tenet of climate change — that warming increases humidity because hotter air holds more moisture. It’s also bad news for fire seasons.

Texas Says It Will Build the Wall, and Asks Online Donors to Pay for It

Gov. Greg Abbott said he would draw on $250 million of state revenues to begin work on a border wall and asked supporters to chip in with donations to a crowdfunding website.

Texas Says It Will Build the Wall, and Asks Online Donors to Pay for It

Gov. Greg Abbott said he would draw on $250 million of state revenues to begin work on a border wall and asked supporters to chip in with donations to a crowdfunding website.

Hottest Temperatures in Arizona and Nevada History Are Possible

A heat wave across the western United States, already facing a severe drought, could deliver temperatures above 125 degrees.