Wet winter doesn't end climate change risk to Colorado River

Snow swamped mountains across the U.S. West last winter, leaving enough to thrill skiers into the summer, swelling rivers and streams when it melted, and largely making wildfire restrictions unnecessary. But the wet weather ...

Could the Colorado River once have flowed into the Labrador Sea?

In the November issue of GSA Today, James W. Sears of the University of Montana in Missoula advocates a possible Canadian connection for the early Miocene Grand Canyon by arguing for the existence of a "super-river" traceable ...

Water shortages in US West likelier than previously thought

There's a chance water levels in the two largest man-made reservoirs in the United States could dip to critically low levels by 2025, jeopardizing the steady flow of Colorado River water that more than 40 million people rely ...

US states miss water share agreement deadline

Seven US states that rely on the Colorado River on Tuesday missed a federal government deadline to agree on reducing water consumption from a watercourse that has been overused for decades.

Forecast for spring: Nasty drought worsens for much of US

With nearly two-thirds of the United States abnormally dry or worse, the government's spring forecast offers little hope for relief, especially in the West where a devastating megadrought has taken root and worsened.

US urges conservation as Colorado River hit by drought

As a regional drought tightens its grip on the Colorado River, water agency officials, environmentalists, farmers and Indian tribal leaders from the seven states that depend on the river for survival are expected to gather ...

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