The answer is important to the future of our planet. Globally, cities are the source of 70 percent of all greenhouse-gas emissions, particularly via the cars urban dwellers drive and the energy required to heat and cool their buildings. U.S. cities are responsible for a disproportionate share of the total.
Department of Urban Studies and Planning Alumna, Anne Emig (MCP '11), and Kelly Shultz, from Bloomberg Philanthropies's Government Innovation & Environment teams - respectively - share six key insights gained from the American Cities Climate Challenge in a Medium post, here-
http://bit.ly/6takewaysForUsCities
