Reduce your impact

Your Car & Your Meat-Eating: The Biggest Causes of Climate Change

A new study coming out of NASA's Goddard Institute for Space Studies, and published in the Proceedings of the National Academy of Sciences, shows that when it comes to the net contribution to climate change on-road transportation, burning biomass for cooking, and raising animals for food are the biggest culprits. Since I don't suspect many TreeHugger readers regularly use biomass stoves to cook, as do millions of people in developing nations, that leaves us with your car and your diet to tackle.

Solution: become a mass-transit riding vegetarian.