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Originally posted on TED Blog:

As unusual seasonal effects raze our global ideas on sustainable practices, TED set out on a tour of 14 cities on six continents to find fresh perspectives for the TED2013 conference. While the 293 speakers who participated in this global Talent Search came from wildly different backgrounds, we couldn’t help but notice sweeping themes emerge from their talks. Here, 9 great talks on energy efficiency.

Laurence Kemball-Cook: Energy capturing cement
TED@London
Laurence is an industrial design engineer who used to work for one of Europe’s largest energy companies, but now wants to put people on the power grid by harnessing their daily expendable energy. “Imagine if your walk home in the morning could power lights for your walk home in the evening,” Laurence says. His solution? Pavegen, a flooring tile that absorbs kinetic energy from footsteps and converts it into electricity. “It’s almost like the gamification of energy saving,”…

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