
Urban innovation examples include urban farming in Freetown, Sierra Leone, solar-powered water heaters in Rizhao, China, and improved mass transit in Bogota, Colombia.
Back in the U.S., the Minneapolis-based Institute for Local Self-Reliance (ILSR) reports that of the ten large cities that have been the most successful at fighting global warming, only Portland, OR has actually slowed its global warming emissions. Even then, Portland hasn't yet met the U.S. Mayor's Climate Protection Agreement it signed to reduce emissions to 7% below 1990 levels.
The 355 cities that have signed the Agreement will have to redouble their efforts to reach those goals. ILSR's report recommends state and federal policy changes to complement the cities' efforts.
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