2011 was an incredible year for green energy as the impending challenges of climate change, energy security, and peak oil spurred the development of clean power sources that will propel us towards a more sustainable future. We saw plans unveiled that will transform skyscrapers into towering photovoltaic farms and we watched a forest of massive solar trees sprout in Singapore. We were also amazed to see a 13-year-old wunderkind harness the fibonacci sequence to make a solar power breakthrough, and we brought you a first look at Aquamarine Power’s massive Oyster 800 wave energy generator – read on for our most popular green energy stories from 2011!

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