colorado river

Melissa Sevigny

The Grand Canyon is running short on sand. Sediment that once washed down the Colorado River to form beaches is now trapped behind Glen Canyon Dam. For two decades river managers have released artificial floods to rebuild the beaches … but it’s not clear if the river has enough sand for these experiments to work in the long run. That’s what scientists want to find out.

USFWS

Three types of chub in the Colorado River watershed may actually be the same species of fish. The finding raises questions about their protections under the federal Endangered Species Act.


Pete McBride

Fewer than three dozen people have ever hiked the entire 800-mile length of the Grand Canyon. Two journalists on assignment for National Geographic completed the journey last month and have now been nominated as the magazine’s 2017 Adventurers of the Year. Arizona Public Radio’s Ryan Heinsius reports. 


USBR

An experimental release of water begins today at Glen Canyon Dam. The artificial flood will rebuild sandbars and improve wildlife habitat on the Colorado River.


AIRPANO.COM

A university research group says the next president will have to act fast to help the Colorado River continue serving millions of city-dwellers, farmers, Indian tribes and recreational users in the U.S. Southwest.

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