helium balloons global warming Archives – The Green Optimistic green tech news, since 2008 Tue, 08 May 2012 11:11:29 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Giant Helium Balloons Could Stop Global Warming https://www.greenoptimistic.com/helium-balloons-global-warming-20110916/ https://www.greenoptimistic.com/helium-balloons-global-warming-20110916/#respond Fri, 16 Sep 2011 11:42:14 +0000 https://www.greenoptimistic.com/?p=20433 Scientists at Oxford, Cambridge, Bristol and Edinburgh Universities have recently developed a Wembley Stadium-sized helium balloon, tethered to a ship that is expected to reduce or even stop global warming. The working principle is as follows: the 660 ft-long balloon will pump in the atmosphere millions of tons of water mixed with salts, clay, sulphates […]

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