Good NewsHM Treasury/Flickr The world needs more gigantic sci-fi sea dams As solar and wind proliferate, the power lurking in the world’s oceans is yet to make waves. In fact, tides could become the next essential energy source.
Solutions www.nbcnews.com Tidal energy pioneers see vast potential in ocean currents' ebb and flow The world's leading marine energy center in Scotland is seeing breakthroughs that could make the technology commonplace.