New Scientist TV: Mountain of balls engulfs New York to show CO2 emissions

http://www.newscientist.com/blogs/nstv/2012/11/mountain-of-balls-engulfs-nyc-to-represent-emissions.html?cmpid=NLC%7CNSNS%7C2012-2611-GLOBAL%7Cmoutainofballs&utm_medium=NLC&utm_source=NSNS&utm_content=moutainofballs

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