0_warren_karlenzig3_green_cities_1Warren Kelvenzig, Chief Strategy Officer of Sustainlane speaks about the most sustainable cities. They came up with ranking 25 US cities on a sustainability scale.
Betsy mentions the US mayors climate protection agreement proposed by Seattle Mayor Greg Nickels. Look at the cities involved and their mayors.

Listen (38 min)

Top Ten Cities
1 San Francisco
2 Portland
3 Berkeley
4 Seattle
5 Santa Monica
6 Austin
7 New York
8 Chicago
9 Oakland
10 (tie) Minneapolis
10 (tie) Denver