Post Date - December 12th 2007 12:12 am | 8 months 17 days ago
Land is a finite resource. Using all cultivable land for energy crops would not supply even current energy demand and land used for energy crops is not available for food. Good graph on km per ha
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Post Date - May 28th 2007 10:05 am | 1 year 3 months ago
With the threat of climate change looming on the horizon, the world has never been more desperate for a fuel that can save us from global warming and environmental devastation. Alternatives abound - but it turns out the 'perfect' green fuel does not exist
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Biofuels -- can they reduce carbon emissions?