"The grain required to fill an SUV tank could feed one person for one year," says Lester R. Brown, a MacArthur "genius grant" winner with impeccable environmental credentials.
As it is, farmers currently do not grow enough food to feed the world's population.
The Growing conflict between the 800 million automobile owners who want to continue driving their vehicles and the poorest 2 million people in the world who simply wish to stay alive.