Shortage of grains in our future?

Lester R. Brown of the Earth Policy Institute has recently reviewed data on coarse grain production. World carryover stocks have declined to a level corresponding to sixty days consumption, the lowest level since 1970.  By Simon Shane Lester R. Brown of the Earth Policy Institute has recently reviewed data on coarse grain production. World carryover stocks have declined to a level corresponding to sixty days consumption, the lowest level since 1970. During the past five years, carryov