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Published online 19 August 2008 | Nature | doi:10.1038/news.2008.1048
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How green is your roof?
Eco-friendly roof coverings are being poorly installed because of research gap.
Many 'green roof' schemes, which aim to make buildings more eco-friendly by turning rooftops into gardens, are failing because of a lack of basic research on their efficient installation and maintenance.
Government subsidies have caused a flowering of green roofs across Europe and North America, as people hope to cash in on their aesthetic, environmental and economic benefits.
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