Blaine Bronwell, an associate professor at the University of Minnesota School of Architecture and author of Material Strategies: Innovative Applications in Architecture, calls out biomimicry and biodesign. "The engineering firm Arup created a promising system for a German building expo: it has a living algae curtain wall, which harvests the building's algae as an energy source through a bioreactor," Bronwell writes.  Photo 4 of 8 in Game-Changing Ideas for a Sustainable World

Game-Changing Ideas for a Sustainable World

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Blaine Bronwell, an associate professor at the University of Minnesota School of Architecture and author of Material Strategies: Innovative Applications in Architecture, calls out biomimicry and biodesign. "The engineering firm Arup created a promising system for a German building expo: it has a living algae curtain wall, which harvests the building's algae as an energy source through a bioreactor," Bronwell writes.