A new global warming culprit: Dam drawdowns

Washington State University researchers have documented an underappreciated suite of players in global warming: dams, the water reservoirs behind them, and surges of greenhouse gases as water levels go up and down.

Pressure mounts to restore Great Lakes water levels

Pressure is mounting on the U.S. and Canadian governments to explore ways to restore water levels on Lakes Michigan and Huron that have been lowered nearly 2 feet due to historic dredging on the St. Clair River. The two lakes, ...

Los Angeles River banks to be raised for El Nino

The U.S. Army Corps of Engineers will begin work next week to temporarily raise the banks along nearly three miles of the Los Angeles River to improve flood protection during El Nino storms, officials announced Friday, just ...

Salt water creeps toward New Orleans up Mississippi River

Drought upriver has left the Mississippi River so low and slow that salt water is creeping farther than usual along the bottom toward New Orleans and threatening drinking water, the Army Corps of Engineers said Wednesday.

Battle over proposed Yellowstone River dam ramps up

An escalating legal fight over a $59 million federal dam project on Montana's lower Yellowstone River could decide the fate of an endangered, dinosaur-like fish population that has been blocked from its spawning grounds for ...

Charleston weighs wall as seas rise and storms strengthen

Vickie Hicks, who weaves intricate sweetgrass baskets in Charleston, South Carolina's historic city market, remembers climbing onto the table at her grandmother's booth downtown when the floodwaters rushed by.

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