BBC: I'm not too keen on raising the same kind of point in successive articles, but the news that UK scientists are to trial an innovative piece of geo-engineering kit within a couple of months begs some of the same questions that came up in Monday's piece on carbon capture and storage (CCS).
The most basic one is simple - money.
One end of the hose will be attached to a balloon floating a kilometre up in the air.
The other will be tethered to the ground, with a pump pushing water up the pipe......
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Balloon goes up for geo-engineering
Posted by Washington Post: Juliet Eilperin on September 15th, 2011
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