by Ivette Torres - ecotuesday.com - January 9, 2012

Well in 2011, San Francisco took the title as the “greenest city in North America”. The study, conducted by the Economist Intelligence Unit studied the environmental performance and commitments by 27 major metro areas in the U.S. and Canada, and we won!

 This is greatly due to the efforts of this month’s guest speaker, Johanna Partin. Johanna serves as Director of Climate Protection Initiatives in the office of San Francisco Mayor Ed Lee, where she advises Mayor Lee on citywide sustainable energy, climate, transportation, green building and other programs promoting sustainability for San Francisco.

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US and Canada Green City Index - Assessing the environmental performance of 27 major US and Canadian cities - A research project conducted by the Economist Intelligence Unit, sponsored by Siemens (71 page .PDF report)