By Ryan Tracy
The past year has been a bit of a bust for people concerned about climate change. At a summit in Copenhagen in December 2009, rich nations in North America and Europe failed to reach an agreement with China, India, and other emerging economic powers about reducing the world’s reliance on fossil fuels such as oil and coal. Then the United States once again failed to pass cap-and-trade legislation. But while politicians stumble to reach a consensus, researchers are pushing forward with new, if unusual, solutions. From algae farms to wave energy, here are a dozen ecofriendly but odd ways to create clean energy.