17 October 2008
Wave And Tidal Power
"The resource is clean, renewable and vast. In fact, it covers 70 percent of the planet. It can be harnessed to create electricity with zero carbon or particulate emissions. If logistical, environmental and efficiency challenges can be overcome -- a big 'if' -- this could be a major clean energy source for the half of the world's population who live within 50 miles of coasts."