Driven in large part by government biofuel mandates on oil refineries, U.S. farmers converted more than 1.3 million acres of grassland into corn and soybean fields between 2006 and 2011, according to a newly published study by scientists at South ...
See all stories on this topic ¬ยช
http://www.adn.com/2013/03/12/2821881/think-ethanol-is-environmentally
No comments:
Post a Comment