Underwater photographer Brian Skerry has spent over 10,000 hours underwater, in his career. He's been an underwater photographer for thirty years, and many of his photos are iconographic - seen in National Geographic, BBC Wildlife, Smithsonian, Audubon, and more. He was names on of five photographers saving the world through photography, by American Photo Magazine.

Brian Skerry - swimming with whale sharks - Smithsonian Magazine

His website (brianskerry.com) features a portflio that illuminates his love of nature - from harp seal pups to right whales; from sharks to squid; from corals to rare fish.

Brian Skerry - first encounter

Here, in this TED Talk as part of Mission Blue Voyage, he shares his love of - and concern for - the ocean. He notes his concerns of the human impact on the ocean - and also the joys of seeing such glory underwater.

Take a look - and then think, what can we do to help our oceans?

You can learn more at http://www.ted.com/talks/brian_skerry_reveals_ocean_s_glory_and_horror.html

TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. Since then its scope has become ever broader.