‘Safe’ climate means ‘no to coal’
Thursday, April 30th, 2009
- Cover of An Inconvenient Truth
About three-quarters of the world’s fossil fuel reserves must be left unused if society is to avoid dangerous climate change, scientists warn.
More than 100 nations support the goal of keeping temperature rise below 2C.
But the scientists say that without major curbs on fossil fuel use, 2C will probably be reached by 2050.
Writing in Nature, they say politicians should focus on limiting humanity’s total output of CO2 rather than setting a “safe” level for annual emissions.
The UN climate process focuses on stabilising annual emissions at a level that would avoid major climate impacts.
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 It took us 250 years to burn the first half trillion, and on current projections we’ll burn the next half trillion in less than 40 years  Myles Allen
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