Our oceans harbor nearly half of all life on the planet. See the sea in all its forms in this gallery.
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A Galápagos sea lion swims beneath a seething school of salemas fish off Ecuador's Galápagos Islands. Despite protection of the islands as a national park, marine reserve, and World Heritage site, fishermen there have for the past 20 years rebelled, sometimes violently, against government catch restrictions.
Photograph by Chris Newbert/Minden Pictures
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Green EarthEarth's stunning landscapes remind us why our planet deserves our protection. Photo GalleryInteractive Quiz |
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Blue EarthFrom the Galápagos to the Great Barrier Reef, go deep into Earth's amazing oceans. Interactive Quiz |
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