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 ...
Earth Sciences
Oct 24, 2013
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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 ...
Environment
May 28, 2013
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Lake Mead National Recreation Area's water quality is good, the sport fish populations are sufficient, and the lakes provide important habitat for an increasing number of birds. This positive trend is documented in a new ...
Environment
Jan 30, 2013
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The nation's food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture, according to a new study by researchers at The University of Texas at Austin and elsewhere.
Environment
May 28, 2012
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Lake Mead, on the Colorado River, is the largest reservoir in the United States, but users are consuming more water than flows down the river in an average year, which threatens the water supply for agriculture and households. ...
Environment
May 17, 2012
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(PhysOrg.com) -- The convergence in the coming year of three cyclical conditions affecting ocean temperatures and weather is likely to create unprecedented challenges for states that depend on water from the Colorado River, ...
Earth Sciences
Oct 1, 2010
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It took some of America's best engineers, thousands of laborers and two years of around-the-clock concrete pouring to build the 726-foot-high Hoover Dam back in the 1930s. It took less time than that for the tiny, brainless ...
Ecology
Mar 2, 2009
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