The AltaRock Energy project in California, north of San Francisco, to drill deep into the Earth’s bedrock and use the heat released as a renewable energy source, was abandoned Friday 11 December. The project has been seen as a key part of the Obama administration’s efforts to find alternative energy supplies. The move comes just a day after Switzerland’s geothermal project in Basel was shut down permanently, following earthquakes at the site in 2006 and early 2007.

Links to other sites: Alta Rock, New York Times

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