Tuesday, May 28, 2013

NASA's James Hansen: tar sands is the "dirtiest of fuels" and "game over for the climate" | Danielle Droitsch's Blog | Switchboard, from NRDC

NASA's James Hansen: tar sands is the "dirtiest of fuels" and "game over for the climate" | Danielle Droitsch's Blog | Switchboard, from NRDC
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