"The world is entering a perfect storm of calamities: a great game for scarce natural resources, financial instability, environmental stress, and failing states. In some respects, it isn't far off from that medieval landscape of almost a millennium ago."

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by Parag Khanna
Published by
Random House in 2011.

 

Solar Bicycles

Once the battery is fully charged, the bicycle can cover a distance of 25 km.