French scientist has invented a light powered by algae that absorbs CO2 from the air--1 ton per year! The microalgae streetlamp has the potential to provide significantly cleaner air in urban areas and revolutionize the cityscape.Please continue reading at:
http://www.treehugger.com/urban-design/microalgae-lamp-absorbs-150-200-times-more-co2-tree-video.html