Back to the Future

Vegetarianism is more popular than ever: In the United States, roughly 12 percent of women under 35 don't eat meat, while 3 percent of the total adult population call themselves strict vegetarians (no meat, fish, or poultry). Unsurprising and heartening given that, according to a United Nations report, the world's cattle herds do more damage to the environment thanall our cars and planes combined.