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Justin Hall-Tipping: Freeing energy from the grid
VIEW HERE
http://www.ted.com/talks/justin_hall_
tipping_freeing_energy_from_the_
grid.html?utm_source=newsletter_
Oct. 29, 2011
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http://www.ted.com/talks/justin_hall_
tipping_freeing_energy_from_the_
grid.html?utm_source=newsletter_
Oct. 29, 2011