Added by on 2017-04-06

These days it seems everything is going green. Now you can add green roofs to that list. A green roof is covered with a waterproof membrane, a growing medium (such as dirt) and vegetation. Environmentalists have long touted the benefits of green roofs, which they say include minimizing storm water runoff, cooling the environment, and helping to absorb CO2. Local governments have been paying attention to the claims. In New York, if you have a green roof you are eligible for a tax credit. But no one has ever done a scientific environmental analysis of green roofs… until now. With funding from the National Science Foundation, Patricia Culligan of Columbia University is studying green roofs, from their effects on storm water runoff and CO2 absorption to claims they impact local climate and save energy. For more Science Nation: Subscribe: http://www.youtube.com/subscription_center?add_user=VideosatNSF or Youtube Playlist: or http://www.nsf.gov/news/special_reports/science_nation/index.jsp . Related PostsGreen Revolution Series: Green RoofsGreen RoofsSimple Irrigation Solution for Green Roofs: PipeRunner by LiveRoof“Biodiversity in the Sky – How Green Roofs Can Be Designed as Wild Life Refuges”White Roofs Are Better for the Environment Than Green RoofsOptigr

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Green Roofs

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1 Comment

  • Adin Rimland 4 months ago

    This is great. too many bad jokes in this video for my liking though.