CO2ngress Towers Reduce Air Pollution in Chicago

Two young American architects, Danny Mui and Benjamin Sahagun, have proposed an original alternative to reduce CO2 emissions from Chicago who goes by the transformation of the two towers of Congress Gateway Towers. Using a particular system of construction for the facade, the two buildings are able to absorb and process the CO2 in the atmosphere, converting some into biofuel.

(eVolo, 22-09-2012)
[link]