The biggest impact we can have on global warming will happen in our homes and through our daily actions. Most of them won’t cost a red penny. Some pay you back after a year or two. Did you know we have the ability to avoid 1.3 billion tons of carbon with our current technology? We just don’t for plenty of reasons (inertia, lack of incentive, no one’s holding a gun to your head). An inspirational cover story in the March National Geographic explores what can happen if you take a carbon diet for a month (this couple shed some serious carbon pounds!). GCBL wants to hear from you about your own carbon WeightWatchers.

We start you out with a few cheap and easy things to try here.