Cooling it

Pearce, Fred
June 1998
New Scientist;06/20/98, Vol. 158 Issue 2139, p10
Claims that large balls of submerged concrete could be the answer to global warming. Algae that would attach itself and grow on the concrete hemispheres, or reef balls; Extraction of carbon dioxide (CO2) from the water by the algae; Replenishment of the CO2 in the water by extracting it from the atmosphere; What happens to the CO2 when the algae dies; Challenge of making the reef balls chemically neutral.


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