From writer Pets Scholtus at Treehugger.com: The amazing, algae powered street lamp! French biochemist and Shamengo pioneer Pierre Calleja have invented this impressive streetlight that is powered by algae which absorbs CO2 from the air. This lamp takes out 1 ton of CO2 per year. This is as much CO2 as as a tree absorbs on average during its entire life. What …
