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'Ecoroofs' lure urbanites, planners back to garden Wed Dec 4, 7:36 AM ET Larry Copeland, USA TODAY ATLANTA -- Under court order to make $3 billion in sewer improvements to better handle stormwater runoff, Atlanta is joining the growing ranks of the 'ecoroof' movement. Ecoroofs, also called living roofs or green roofs, turn the tops of commercial buildings into gardens with plants growing right out of the roof. Proponents of these roofs say they address several ills that occur in developed or urban areas: * The roofs are natural sponges in heavy rainstorms and reduce water runoff by up to 90%. * The greenery, soil and root system filter out pollutants picked up by rainwater as it drops through the atmosphere. * They combat the dreaded 'heat island effect' that can raise temperatures significantly in heavily developed areas. The above are irresistible lures to areas battling the effects of rampant development....
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