Another Problem with Biofuels?
Another Problem with Biofuels? By Bryan WalshTime.com; Mar 12, 2008http://www.time.com/time/health/article/0,8599,1721693,00.html?iid=sphere-inline-sidebar It's called the dead zone. Agricultural fertilizer byproducts like nitrogen are running off farms and into the Mississippi River, which then spills out into the Gulf of Mexico. Those chemicals help feed crops on land, but as they build up in the still, warm waters [...]