Why don't candidates who claim to be interested in climate change talk about cities more? That's where the rubber is hitting the road:

Officials in King County and other places are rethinking the way their communities grow and operate, all with an eye toward reducing their overall carbon footprint. After decades of policies that encouraged people to move out to the suburbs in pursuit of larger homes and bigger backyards, some policy makers are now pushing aggressively to increase urban density and discourage the use of private cars.