Thursday, July 28, 2016

Hydro's future

America’s forgotten renewable energy source: Water

Washington Post

Washington Post

Long before wind and solar, water was the nation’s top renewable energy source. Going back some 100 years, the United States built enormous dams — like the Depression-era Hoover Dam in Nevada — to produce tremendous amounts of energy. Hydropower is our fourth largest source of electricity overall and our single largest renewable source, yet it’s rarely talked about and lacks the excitement attached to other renewables. But a new report finds big potential.

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What's next for Gold King mine, one year later?

Denver Post

One year after a plume of mustard-yellow mine waste washed into the Animas River from the Gold King Mine, the water again looks clear. But hundreds of gallons a minute of acidic metals-laced muck continue to drain into the headwaters of the Animas, which ranks among the West’s most-contaminated watersheds.

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Damaged watersheds linked to treatment costs

Washington Post

The human footprint on the environment may have affected one of the Earth's most precious resources — our drinking water — in a major way throughout the last century, according to new research that suggests that population growth and land use changes since 1900 have increased pollution in urban watersheds and driven up the cost of water treatment in the process.

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