A test project off the shores of Oahu, Hawaii is using a special buoy to collect wave power and turn it into electricity. While the idea isn't new, this is the first time that such a buoy has been connected to the grid and is actually producing usable power.
The 1,300 ton spill killed more than 26,000 fish and marine life.
You don't have to stop protecting the planet as you travel to explore its many wonders. Hotel search trivago.com has discovered eight ecologically elite hotels that are taking "being green" to a five-star level.