Biofueling Water Problems

摘要

A new report from the U.S. National Research Council raises questions about the effects that homegrown fuels could have on water quality. Iowa farmer Steve Rash has just begun to harvest this year's corn. He planted half corn and half soybeans, just as he has for 30 years. And that makes Rash different. All around him, midwest-ern farmers are cashing in on golden ears.