Over the past couple of years, we've spent a lot of time talking about the potential climate benefits of increasing urban density, but that alone won't curb the country's greenhouse gas emissions, The Atlantic Cities reports. The problem at hand: The suburbs. Click through to see how two researchers at the University of California Berkeley have platted 2013 household carbon footprints for nearly every American zip code and what the resulting color-coded maps show. Here's a quick visual tip: Green means good (or at least much better than red). (Bonus points for checking on how your own neighborhood fares in the grand scheme of GHG emissions.) Read More