Green roofs: not just for looks

What is an innovative method to reduce both heating and cooling in buildings, reduce storm water run-off, preserve natural habitats and even refrigerate warehouse beer? According to scientists at the Ecological Society of America’s 95th Annual Meeting in Pittsburgh: green roofs. These vegetated roofs, as the ecologists explained yesterday in “Rooftop ecology: what is a green roof and why should ecologists care?” provide a wide array of economic, architectural and environmental benefits.

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