How can each of us live Cooler Smarter? While the routine decisions that shape our days—what to have for dinner, where to shop, how to get to work—may seem small, collectively they have a big effect on global warming. But which changes in our lifestyles might make the biggest difference to the climate? This science-based guide shows you the most effective ways to cut your own global warming emissions by twenty percent or more, and explains why your individual contribution is so vi...