Rethinking Biofuels
September 29th, 2007
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Biofuels have been offered an alternative to conventional energy sources. But new research from the Nobel prize winning chemist Paul Crutzen suggests that they might end up causing more damage,
German Nobel-prize winning chemist Paul Crutzen and his team of researchers have calculated the emissions released by the growth and burning of crops such as maize, rapeseed and cane sugar to produce biofuels. The team of American, British and German scientists has found that the process releases twice as much nitrous oxide (N2O) as previously thought. They estimate that 3 to 5 percent of nitrogen in fertilizer is converted and emitted, as opposed to the 2 percent used by the Intergovernmental Panel on Climate Change (IPCC) in its calculations.[link]
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