NBER Working Papers August 2008 ÌÇÐÄvlog¹ÙÍø Authors See citation below for complete author information. Edward Glaeser Fred and Eleanor Glimp Professor of Economics, FAS Citation Glaeser, Edward L., and Matthew Kahn. "The Greenness of Cities: Carbon Dioxide Emissions and Urban Development." NBER Working Papers 14238, August 2008.