Edward L. Glaeser an economics professor at Harvard recently stated thaht people who want a much smaller carbon footprint should live in high-density cities, where travel is less necessary and living quarters are more confined.

In central city areas, residents emit less carbon than their suburban opposites. In New York and San Francisco, the average urban family expels more than two tons less carbon annually because it drives less. In Nashville, the city-suburb carbon gap due to driving is more than three tons. After all, density is the defining characteristic of cities. All that closeness means that people need to travel shorter distances, and that shows up clearly in certain data.

To read  the full article in the The New York Times, click here. It’s worth the read.