Wednesday, October 3, 2007

Nobel Prize winner states: Biofuels may actually increase global warming.

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According to an article written by Paul Crutzen (who won the Chemistry Nobel Prize in 1995) in British magazine "Chemistry World," biofuels increase global warming and the greenhouse effect.

Crutzen's main argument to support this is that the increase of biofuel crops is producing twice as much nitrous oxide (N2O) as before. Nitrous oxide goes then to the atmosphere, increasing the greenhouse effect. The amount of N2O produced by these crops is so important that it offsets all benefits obtained from not using fossil fuels.

Keith Smith, coautor of the report and scientist at the University of Edimburgh, says "The importance of this article lays on the unexpected side effects of the use of biofuels [...]. In fact, its use is not beneficial because it affects adversely our climate." The article states that biofuels produce more nitrogen than expected (between 3 to 5 percent more), which is twice as much as the International Panel on Climate Change authorises.

[Source: Europa Press via Econoticias]


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