Price: $12,000
"Green design" may conjure images of solar panels and sustainable skyscrapers. But British artist Michelle Brand found her inspiration at the bottom of a plastic soda bottle. Brand's artistic eye saw the shape of a flower at the base, so she collected 366 bottles from a landfill to create the Cascade Lancashire Chandelier. The resulting fixture is five feet of incandescence.NEXT: World's Fastest Electric Motorcycle