Nikken Sekkei BioSkin
This building wrap fights urban heat island effects, and it looks nice too. Courtesy Nikken

Modeled after traditional Japanese screens, BioSkin collects rainwater and feeds it through ceramic pipes that run over a building’s exterior. It deflects direct sunlight with solar panels, reducing interior temperatures by as much as 21°F. The system also generates power and lowers air-conditioning costs.

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