While marine and hydrokinetic energy may be quite literally the wave of the future, its moment may be beyond the current horizon, Graeber writes. That said, it’s predictable, it’s easy to get to, and some of the world’s most densely populated areas are coastal communities, which means it’s cheap to connect to the grid. . . .
http://www.csmonitor.com/Environment/Energy-Voices/2013/0910/Tidal-power-Energy-s-wave-of-the-future
