http://www.bbc.co.uk/news/science-environment-1513298930 September 2011 Last updated at 15:26 ET
Climate fix technical test put on hold
By Richard Black Environment correspondent, BBC News
A pioneering test of a climate "tech fix" planned for October faces a six-month delay as scientists discuss the issues it raises with their critics.
The test is part of the UK-based
http://www2.eng.cam.ac.uk/~hemh/SPICE/SPICE.htm">Stratospheric Particle Injection for Climate Engineering (Spice) project.
It would use a balloon and a kilometre-long hose to spray water into the upper atmosphere - a prelude to spraying climate-cooling sulphate particles.
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Dr Matt Watson of the UK's Bristol University, who leads the overall project, said he endorsed
http://www.epsrc.ac.uk/newsevents/news/2011/Pages/spiceupdate.aspx">the decision, although his team had been "taken aback" when they first heard the news.
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