California Academy of Sciences Image by Jaymi Heimbuch There is a lot to like about green roofs; they help keep cities cool, create habitat for birds and insects, provide wonderful amenities and just look so good on google earth. But do they actually

sequester any CO2? Of course, any green plant does, but there isn’t much to a green roof. Is there enough to matter? Researchers at Michigan State University have measured it. According to

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Good News: Green Roofs Suck CO2