08 Mar '12, 4pm

New York City roof study shows drastic cooling with white surfaces #NYC #whiteroofs @nycCoolRoofs

08 Mar 2012: New York Roof Study Shows Drastic Cooling with White Surfaces A New York City roof covered in a white synthetic membrane was on average 43 degrees F cooler than surrounding black tar and asphalt roofs during times of peak heat last summer, according to a study by scientists from Columbia University and NASA. On the hottest day of the summer — July 22, 2011, Green Roofs are Starting To Sprout in American Cities Long a proven technology in Europe, green roofs are becoming increasingly common in U.S. cities, Bruce Stutz writes. While initially more expensive than standard coverings, green roofs offer some major environmental — and economic — benefits. READ THE e360 REPORT when the city set a record for electricity usage during a heat wave — the dark surfaces of some New York City roofs reached 170 degrees F, while temperatures on the white test roof peaked at les...

Full article: http://e360.yale.edu/digest/new_york_city_roof_study_show...

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New York Roof Study Shows Drastic Cooling with White Surfaces

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