The Clinton Foundation is working with the city of Los Angeles to retrofit more than 140,000 streetlights with LEDs -- the largest retrofit project of its kind in the world. When complete, the project will reduce carbon emissions by up to 40,500 tons annually, the equivalent of taking 6,700 vehicles off the road every year. Video courtesy of the mayor's office of the city of Los Angeles.

j vimeo.com/44528539

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