Will food shortages force us to become vegetarians?

A new report from the Stockholm International Water Institute is warning that a pending food crisis may force the world's population to adopt a vegetarian diet over the course of the next 40 years. Because livestock require disportionately high rates of water, and given that 9 billion people will need to be fed by… » 8/27/12 10:30am 8/27/12 10:30am