1 December 2014 - With a world population of more than 7 billion, energy consumption has spurred innovation for renewable sources of power. Solar, hydro and wind are among the emerging fields that allow both rural and large-scale enterprises to access energy that's renewable and has a minimum impact on the environment. Here, drivers attempt to navigate New York City on Aug. 14, 2003, during a massive blackout in the U.S. and Canada. for more visit>>>
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