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A plastic bag floats at sea.
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Plastic Bag Bans Work

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This 1874 illustration of California gray whales (Eschrichtius robustus) shows a group of individuals at the edge of their modern day range in the North Pacific Ocean, blocked from traveling further east into Arctic waters by thick ice barriers.
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California Grays Among the Ice

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A small giant clam -- yes, that's it's real name -- in Australia's Great Barrier Reef.
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Great Barrier Reef, Australia

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Carrie Bow Cay field station sits in the blue and turquoise waters of Belize.
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Aerial View of Carrie Bow Cay Field Station, Belize

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Dolphins swimming among oily patches in the Gulf of Mexico
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Dolphins Swim in Oily Waters

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Photo of a Hawaiian monk seal on the beach, with the ocean in the background.
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The Endangered Hawaiian Monk Seal

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"This particular shark was just as curious as I was, which enabled me to capture such an amazing shot. His eye came just above the surface and stared back at me as if to show me he was watching, while below the surface his mouth opened to reveal his sharp
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Lemon Shark, Offshore Grand Bahamas Island

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Two nurse sharks hover over a baited cage
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Oil and Art

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Two nurse sharks hover over a baited cage
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Light in the Deep

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Two nurse sharks hover over a baited cage
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Undersea Geologic Features: Bathymetry

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Two nurse sharks hover over a baited cage
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This Old Tubeworm

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