California Academy of Science: green roof

This is perhaps one of the most impressive green roofs I have seen. California Academy of Science in San Francisco is an advanced, cutting-edge green building. Above their rainforest dome and planetarium, they constructed a green roof covered by native plants. From an observation terrace you can take a look at the roof, which resembles the topography of San Francisco. Interpretive signage informs you that the roof absorbs rainwater and provides a wildlife corridor. Construction of green roofs is quite expensive, but they have a great deal of educational value – whether the roof is to preserve native vegetation or to grow vegetables such as at a rooftop farm in Queens (http://urbanee.org/2011/07/30/rooftop-farm).

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