If you're still eating meat, you might as well be driving a Hummer. Studies have shown that raising animals for food is the single largest source of carbon dioxide, methane, and nitrous oxide emissions, which are all responsible for climate change. A new study has found that taxing meat could help significantly curtail greenhouse-gas emissions by curbing meat consumption.
The study, from Sweden's University of Gothenburg and Chalmers University of Technology, also found that if land that's used for factory farming were instead used to grow bioenergy crops, greenhouse-gas emissions would be cut even further.
Written by Michelle Sherrow