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Power

Hoover Dams For Lilliput: Does Small Hydroelectric Power Have a Future? 302

New submitter MatthewVD writes "Boing Boing's Maggie Koerth-Baker, author of Before The Lights Go Out, writes that the era of giant hydroelectric projects like the Hoover Dam has passed. But the Department of Energy has identified 5,400 potential sites for small hydro projects of 30 MWs or less. The sites, in states as dry as Kansas, represent a total 18,000 MW of power — enough to increase by 50 percent America's hydro power. Even New York City's East River has pilot projects to produce power from underwater turbines. As we stare down global warming and peak oil, could small hydroelectric power be a key solution?"
Power

Hoover Dams For Lilliput: Does Small Hydroelectric Power Have a Future? 302

New submitter MatthewVD writes "Boing Boing's Maggie Koerth-Baker, author of Before The Lights Go Out, writes that the era of giant hydroelectric projects like the Hoover Dam has passed. But the Department of Energy has identified 5,400 potential sites for small hydro projects of 30 MWs or less. The sites, in states as dry as Kansas, represent a total 18,000 MW of power — enough to increase by 50 percent America's hydro power. Even New York City's East River has pilot projects to produce power from underwater turbines. As we stare down global warming and peak oil, could small hydroelectric power be a key solution?"
Earth

'Frothy Gunk' From Deepwater Horizon Spill Harming Coral 149

sciencehabit writes "The massive oil spill that inundated the Gulf of Mexico in the spring and summer of 2010 severely damaged deep-sea corals more than 11 kilometers from the well site, a sea-floor survey conducted within weeks of the spill reveals. At one site, which hadn't been visited before but had been right in the path of a submerged 100-meter-thick oil plume from the spill, researchers found a variety of corals — most of them belonging to a type of colonial coral commonly known as sea fans — on a 10-meter-by-12-meter outcrop of rock. Many of the corals were partially or completely covered with a brown, fluffy substance that one team member variously calls 'frothy gunk,' 'goop,' and 'snot.'"

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