If your tofu has turned green, you'll probably want to toss it. But the results of a recent study show that our tofu is so green that it's a cause for celebration!

The findings of this new study reveal how vegan foods, such as veggie dogs, tofu, and seitan, contribute little to climate change compared to meat. For example, only 350 grams of carbon dioxide are released for each kilogram of soy "meat" produced, while an equivalent amount of ground meat is responsible for around 7,200 grams of carbon dioxide. If my math is correct, that means a hamburger patty causes more than 20 times more harmful greenhouse gasses to be released than does a veggie burger of the same size.

PETA's always said that "meat's not green" because of the severe environmental damage caused by factory farming—which releases massive amounts of the greenhouse gasses that cause climate change.

With a growing focus on our responsibility for maintaining our planet, there's still no better way to go green than by going vegan.