Group Pushes for Rooftop Gardens The non-profit group Earth Pledge transforms urban rooftops into gardens by planting vegetation over the entirety of the roofs. In addition to creating vegetable and flower gardens, Green Roofs create a natural insulation system, absorb rainwater and lower city temperatures. Green Roofs Director Colin Cheney tells NPR's Linda Wertheimer why it's easy being green.

Group Pushes for Rooftop Gardens

Group Pushes for Rooftop Gardens

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The non-profit group Earth Pledge transforms urban rooftops into gardens by planting vegetation over the entirety of the roofs. In addition to creating vegetable and flower gardens, Green Roofs create a natural insulation system, absorb rainwater and lower city temperatures. Green Roofs Director Colin Cheney tells NPR's Linda Wertheimer why it's easy being green.