find out how many planets we would need if everyone lived like you... sustainability.publicradio.org/co...es/ my score was 1.7!

"A lot of people have begun to understand at various levels that the food system, as it is, can't go on," says Paul Roberts, author of "The End of Food."
Every time an American bites down on a steak or hamburger, they're contributing to global hunger," Roberts says. As other countries become more affluent, they're copying our meat-heavy diet. The problem: It takes so much grain and other resources to produce meat," he says. "If the rest of the world were to eat like we do, the planet would collapse," Roberts says.