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The bright, brilliant swirls of blue and green seen from space are a phytoplankton bloom in the Barents Sea.
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Geoengineering Phytoplankton Blooms

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Image of deep-sea crustacean with black background.
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Vibilia

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Every year, at the same place and time, thousands of female Kemp's ridley sea turtles come ashore to nest and lay their eggs on the beach. This mass nesting event is known as an arribada, meaning “arrival by sea” in Spanish.
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Kemp's Ridley Nesting "Arribada"

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The West Norwegian Fjords's two fjords, among the world's longest and deepest, are considered archetypical fjord landscapes and among the most scenically outstanding anywhere.
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West Norwegian Fjords – Geirangerfjord and Nærøyfjord, Norway

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The Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems site in France was inscribed on the World Heritage List in 2008. The site features an exceptional diversity of coral and fish species and a continuum of habitats from mangroves to se
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Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems, France

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A school of blue-striped snapper gathers at Coiba National Park and its Special Zone of Marine Protection site in Panama.
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Coiba National Park and its Special Zone of Marine Protection, Panama

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The Brazilian Atlantic Islands site was inscribed on the World Heritage List in 2001. The rich waters of the Fernando de Noronha Archipelago and Rocas Atoll are extremely important for the breeding and feeding of tuna, shark, turtle, and marine mammals. Th
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Brazilian Atlantic Islands: Fernando de Noronha and Atol das Rocas Reserves

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The Malpelo Fauna and Flora Sanctuary site in Colombia was inscribed on the World Heritage List in 2006. The marine park surrounding Malpelo Island is the largest no-fishing zone in the Eastern Tropical Pacific, providing critical refuge for threatened and
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Malpelo Fauna and Flora Sanctuary, Colombia

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The Cocos Island National Park site in Costa Rica was inscribed on the World Heritage List in 1997. Cocos Island's position as the first point of contact with the northern equatorial counter-current and the myriad interactions between the island and the su
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Cocos Island National Park, Costa Rica

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The Belize Barrier Reef Reserve System consists of the largest barrier reef in the northern hemisphere, offshore atolls, and several hundred sand cays, mangrove forests, coastal lagoons, and estuaries. The system's seven sites illustrate the evolutionary h
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Belize Barrier Reef Reserve System

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The Amazon River carries all the rainwater that lands in the Amazon rainforest, covering some 2.1 million square miles, into the ocean. And with it, it carries vital nutrients like phosphorus, nitrogen and silicon.
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Where the Amazon Meets the Ocean

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Pink crustose algae covers the surface of a rock.
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Encrusting Pink Algae and a Seastar

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