Biofuels could increase global warming with laughing gas, says Nobel prize-winning chemist

Growing and burning many biofuel crops may actually raise, rather than lower, greenhouse gas emissions. That’s the conclusion of a new study led by Nobel prize-winning chemist Paul Crutzen, best known for his work on the ozone layer.

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<p><a href="http://www.physorg.com/news109581631.html">Biofuels could increase global warming with laughing gas, says Nobel prize-winning chemist</a></p> <p>Growing and burning many biofuel crops may actually raise, rather than lower, greenhouse gas emissions. That’s the conclusion of a new study led by Nobel prize-winning chemist Paul Crutzen, best known for his work on the ozone layer.</p>