http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. "Green" roofs, those increasingly popular urban rooftops covered with plants, could help fight global warming, scientists in Michigan report in the latest episode in the American Chemical Society's (ACS) award-winning podcast series, "Global Challenges/Chemistry Solutions." http://www.physorg.com/news175175952.html Space & Earth Mon, 19 Oct 2009 13:20:02 EST news175175952 "Green" roofs, those increasingly popular urban rooftops covered with plants, could help fight global warming, scientists in Michigan are reporting. http://www.physorg.com/news172933931.html Space & Earth Wed, 23 Sep 2009 14:50:01 EST news172933931 The first study to compare the performance of different types of green roofs has been completed by The Lady Bird Johnson Wildflower Center at The University of Texas at Austin and suggests that buyers shouldn't assume these roofs are created equal. http://www.physorg.com/news137770849.html Space & Earth Tue, 12 Aug 2008 14:40:49 EST news137770849 (PhysOrg.com) -- The first study to compare the performance of different types of green roofs has been completed by the Lady Bird Johnson Wildflower Center at The University of Texas at Austin and suggests that buyers shouldn't assume these roofs are created equal. http://www.physorg.com/news136478486.html Space & Earth Mon, 28 Jul 2008 15:41:26 EST news136478486