New Study Finds Many Biofuels Come with a Large Carbon Footprint | The Green Economy Post: Green Careers, Green Jobs, Sustainable Jobs

Biofuels that displace food crops may have a much bigger carbon footprint than previously thought.Carbon emissions from land-use change caused by the displacement of food crops and pastures by a global biofuels program may be twice as much as the emissions from lands directly devoted to biofuels production.