The Nine Cities With the Best Hope of Becoming Carbon-Neutral

Popular Science gives a brief intro to nine cities that are setting the bar for the reduction of carbon emissions. The best U.S. site? The fortuitously-named Greensburg, Kansas.

Greensburg was hit by a tornado in 2007 that took out almost the entire town, opening up the possibility of starting again with today's sustainable techniques. According to Popular Science, "A few of the city buildings even power themselves with their own wind and solar generators, and a 10-turbine wind farm outside of town went online in March."

The entire country of Costa Rica is another promising site: they already get 90% of their electricity from renewable energy sources.

Full Story: Gallery: Nine of the World's Most Promising Carbon-Neutral Communities


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