San Francisco won for overall greenest city.Photo: aufmkolk Cross-posted from the Natural Resources Defense Council. I may as well start with the caveat that any attempt to measure, score, or rank places with respect to almost anything will be incomplete at best and can be wildly misleading at worst. First, rating systems tend to assign numerical grades to things that are partially or entirely subjective. Which city has the "best" transit service is not just a matter of coverage and service frequency, for example, but also of passenger comfort, convenience for riders' destinations (which vary from one to another), and whether …
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Kaid Benfield is the Director of Sustainable Communities and Smart Growth, at the Natural Resources Defense Council. He is the co-founder of the LEED for Neighborhood Development rating system, and the Smart Growth America coalition; and author of Once There Were Greenfields (NRDC 1999), Solving Sprawl (Island Press 2001), Smart Growth In a Changing World (APA Planners Press 2007), Green Community (APA Planners Press 2009). He was voted one of the "top urban thinkers" in 2009 poll on Planetizen.com and named one of "the most influential people in sustainable planning and development" in 2010 by the Partnership for Sustainable Communities.