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Tue, 2012-07-31 17:00 — Maeryn Obley
Image: Singapore supertrees. Photograph by Wong Maye-E, AP
Tasha Eichenseher - July 26th, 2012 - news.nationalgeographic.com
A series of images and short articles by the National Geographic showcase green technology in cities across the world used to mitigate the 'heat island effect'.
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