I think this study is contributing to greenhouse gases because it's a load of crap. The idea that natural ecosystems are being destroyed everywhere just doesn't hold water. I can't say what their doing outside of the United States, but in the United States there is no need to cut down forests or drain the wetlands. States like North Dakota, Kansas, and Nebraska to name just 3, have millions of acres of farmland that has been being used for years to grow crops. So now instead of dedicating everything to crops for food, which we have a surplus of and end up shipping to other countries, they grow crops that can be used to produce ethanol. Just wait till the counter report comes out from scientists who know more about farming than some professor in New Jersey.