New York Times: Technology for tapping ocean waves, tides and rivers for electricity is far from commercial viability and lagging well behind wind, solar and other fledgling power sectors, a panel of experts said last week during a forum here on climate change and marine ecosystems. While the potential for marine energy is great, ocean wave and tidal energy projects are still winding their way through an early research and development phase, these experts said. “It’s basically not commercially …