Healthcare.gov 3.0 — Behavioral Economics and Insurance Exchanges

If you eat lots of meat, then you are contributing to global warming. Animals like cows require lots of grain, and they emit lots of methane; therefore, demand for hamburger increases CO2 emissions. Here’s a picture from the Washington Post illustrating how much we can reduce emissions by changing our diets:

Today’s science lesson is sponsored by XKCD comics. You can find more at http://xkcd.com/, in case you haven’t checked it out before.