The National Marine Fisheries Service wants to table for five to 10 years any serious debate on breaching four dams in the Snake River to save salmon.
Critics in Congress, the media and citizens' groups are calling for reforms and more accountability from the U.S. Army Corps of Engineers.
The EPA wants to remove a dam on Montana's Clark Fork River that had been holding back contaminated mine tailings from Butte and Anaconda, and have the waste cleaned up.
Historian Robert Kelley Schneider's book, "Unruly River: Two Centuries of Change Along the Missouri," describes how well-meaning civic boosters and farmers almost destroyed the Missouri River's landscape and the Indian tribes that once lived along it.
While anti-dam activists hold lively rallies calling for the demolition of Glen Canyon Dam, the pro-dam group Friends of Lake Powell stages rallies of its own, defending the reservoir and the local economy based on it.
Los Angeles has agreed to return some water to parched Owens Valley and to begin restoring Owens Lake, which was turned into an empty dust bowl to quench the thirst of L.A.
Jared Farmer's book, "Glen Canyon Dammed: Inventing Lake Powell and the Canyon Country," takes a fascinating look at lost Glen Canyon and the big lake that covered it.
Santa Fe County's desire to buy water from Top of the World farms in the San Luis Valley has northern New Mexico farmers worried that their water rights will be endangered.
The 670 miles of the Yellowstone River cross a varied landscape and face an equal variety of problems along the way.
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