First Place: A Ferris Wheel Greenhouse Made of Recycled Cars
Julien Combes and Gaël Brulé
The winning design would be based in New Delhi, one of the dirtiest cities on Earth, and incorporates a wind turbine into a circular greenhouse that would help clean the air. The Ferris-wheel-shaped building is made from recycled cars, and waste heat from the on-site recycling center would be used to grow plants to produce biofuels.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.