Cities most innovative in global warming fight

In an increasingly urban world, the most innovative ideas in the fight against climate change are coming from cities and local initiatives, an environmental think-tank reported on Wednesday.

When it comes to combating the effects of global warming, cities and other local governments often lead the way, said Molly O’Meara Sheehan, project director of the report, "State of the World 2007".

"That’s certainly where you see innovation, at the local level, whether it’s mayors, whether it’s community works or companies struggling to figure out how they can proceed," Sheehan said at a news conference.

Among examples of innovative projects the group cited were a move toward urban farming in Freetown, Sierra Leone and a push to let the vast majority of households in Rizhao, China, get solar-warmed water heaters plus powering traffic signals and street lights with solar cells.

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