(February 2013) NASA scientist James Hansen has determined that if Canadian tar sands are exploited for oil, it will be ³game over² for the climate (Google: Game over for the climate). It¹s simple. Burning fossil fuels (oil, coal and natural gas) adds greenhouse gas carbon dioxide to the atmosphere. If proven reserves are burned, world temperatures will rise enough to trigger runaway global warming. If we fail to transition society to sustainability, we destroy the positive future our children and grandchildren deserve.
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