When it comes to decreasing your carbon footprint, it may be better to change your location than to trade in your SUV. Although the more than two-thirds of Americans living in metro areas account for most of the greenhouse gas emissions, they are also more capable to use and support systems that can greatly shrink their carbon footprints.
A recent report from the Brookings Institution confirms that the carbon footprints of metro area residents are 14 percent smaller than the average American's. As the study shows, this mostly has to do with development patterns. (We've comment on patterns such as density and rail transit before.)
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