ScienceDaily: As strategies for energy security, investment opportunities and energy policies prompt ever-growing production and consumption of biofuels like bioethanol and biodiesel, land and water that could otherwise be used for food production increasingly are used to produce crops for fuel. About 4 percent of the world's agricultural land and 3 to 4 percent of its fresh water are now used for growing biofuels, according to a new study published March 3, 2016 in the Nature journal Scientific Reports. About...