Bel Air – In collaboration with David Edwards, Harvard University, 2007Mathieu Lehanneur has taken plants proven to filter out toxins emitted by manufactured products and give off fresh air. Besides being highly functional, these space-age looking air filters are beautiful.Taking the concept a step further, Lehanneur has created quick-eat restaurants around Paris called Flood which have large tanks of spirulina algae cranking out fresh oxygen as patrons nosh. — Anthony P. Munoz