Robert Sanders

Risks of exploiting low-quality sources of oil

Soaring oil prices and demands for energy security are boosting the attractiveness of low-quality sources of petroleum, such as tar sands and coal, at the risk of causing significant environmental damage and increasing emissions of greenhouse gases, according to a new study.

December 11, 2006

Society

Faster CO2 emissions will overwhelm earth’s capacity to absorb carbon

If current production of carbon from fossil fuels continues unabated, by the end of the century the land and oceans will be less able to take up carbon than they are today, a new computer climate model indicates.

August 4, 2005

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