A new comprehensive study commissioned by Siemens and conducted by the Economist Intelligence Unit compared 27 of the most populous U.S. and Canadian cities on environmental performance over nine categories, including CO2 emissions, energy, land use, buildings, transport, water, waste, air quality and environmental governance. The study found that San Francisco is the ”greenest” of the big cities in U.S. and Canada. Other cities in the top ten (in descending order): Vancouver, New York, Seattle, Denver, Boston, Los Angeles, Washington, D.C., Toronto, and Minneapolis.
Eric Spiegel, president and CEO of Siemens, said the report shows that cities are at the forefront of efforts to become more sustainable. “Despite the fact that we do not have a federal climate policy in the United States—and no federal carbon standard—21 of the 27 cities in the index have already set their own carbon reduction targets. Cities are creating comprehensive sustainability plans, utilizing current technology and proving everyday that we don’t have to wait to create a more sustainable future.”
Siemens and the Economist Intelligence Unit conclude that the best performing cities have “comprehensive sustainability plans that encompass every aspect of creating a greener future including transportation, land use, energy use, carbon dioxide emissions, and water.”
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http://dirt.asla.org/2011/07/01/in-new-study-san-francisco-tops-list-of-green-cities-in-the-u-s-and-canada/