Lamp that absorbs CO2

French biochemist Pierre Calleja is working on developing technology to use bioluminescent algae for household lighting. Transparent container with water and algae creates a smooth green light, while absorbing carbon dioxide from the atmosphere.

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Shamengo pioneer Pierre Calleja has invented something truly remarkable--a light powered by algae that absorbs CO2 in the air--at the rate of 1 ton PER YEAR, or what a tree absorbs over its entire lifetime! The microalgae streetlamp has the potential to provide significantly cleaner air in urban areas and revolutionize the cityscape.


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