Living Microalgae Lamp Absorbs CO2 from the Air

by , 04/14/14

French biochemist Pierre Calleja has designed a fascinating eco-friendly lamp that could light up streets and parking garages while cutting CO2 emissions. It runs completely free of electricity, powered solely by a tube filled with glowing green algae. The lamp uses the energy created by the algae’s own photosynthesis process to power the light within, while the algae itself lives on CO2 in the air outside.

The lamp is designed so it can store the energy from photosynthesis for later use. That way, when it’s transported into low-light areas, it can glow without the need for any external power source. A single lamp could absorb roughly a ton of carbon from the air in just one year — the same amount as 150 or 200 trees. If these lamps could go into mass production, they could go a long way toward fighting climate change and reducing air pollution.

Interestingly enough, the lamp isn’t the only novel application Calleja has found for microalgae. He and his team at FermentAlg are already using microalgae for all kinds of applications, from a sustainable source of Omega 3 supplements to a base for natural cosmetics. They’ve even figured out how to harness algae as a source of biofuel.

+ FermentAlg

Via psfk

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  1. Jeffrey Von Stetten November 17, 2014 at 2:08 am

    Where can I buy one of these? where can I buy one?

  2. shiva September 16, 2014 at 5:47 am

    If this is done around the world we will be able to save the ozone aginst its depletion (Y)

  3. Betsabe Jimenez April 16, 2014 at 1:30 pm

    Where can I get one for my community?

  4. ebodnaruk March 3, 2014 at 10:57 pm

    I seriously doubt this. Sounds too good to be true. Can a tube like that really absorb a ton (2000 lbs!!!) of CO2 in a year?

    So you put it in the sun and then move it (bet it’s heavy!) inside where it can act as a light source for a little while? I’ll stick with an LED or CFD powered by a traditional source of renewable energy, thank you very much!

  5. Brenda Tizcareño January 27, 2014 at 7:09 pm

    De estas deberian haber en todo el D.F!

  6. Laura Rivard January 26, 2014 at 8:14 pm

    How about a few thousand industrial size for China???

  7. Rosalie November 17, 2013 at 3:58 am

    Amazing! Wish I had been a part of the implementation of a natural substance as such. So exciting!

  8. Mangap October 13, 2013 at 8:20 pm

    I hope they can mass production this. and also sell in dry condition. so buyer around the world can buy it and then add water to apply it. I have question, how if people put this on lake ? can it grow fast ? and what is the effect ?

  9. Dave Murphy October 10, 2013 at 7:24 pm


    NATURAL GAS is “ABIOTIC” The True Origin of Oil

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