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Nancy Rabalais smiling at the camera in a headshot.
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Five Questions with Nancy Rabalais, Tracking Dead Zones In the Gulf

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Humpback whales spend their summers feeding in cold, food-filled Arctic and Antarctic waters before swimming to warmer waters for the winter.
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Humpback Whales Going After Herring

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The Sian Ka'an site in Mexico was inscribed on the World Heritage List in 1987. The site's name means "Origin of the Sky" in Mayan and contains tropical forests, mangroves, and marshes, as well as a large marine area intersected by the Caribbean Barrier Re
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Sian Ka'an, Mexico

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The Tubbataha Reefs National Park site in the Philippines was inscribed on the World Heritage List in 1993. The site is an example of a pristine coral reef with a spectacular 100 m (330 ft) perpendicular wall, extensive lagoons, and two coral islands - all
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Tubbataha Reefs Natural Park, Philippines

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The Natural System of Wrangel Island Reserve site in Russia was inscribed on the World Heritage List in 2004. Located well above the Arctic Circle, the site includes the mountainous Wrangel Island, Herald Island, and surrounding waters. The reserve has exc
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Natural System of Wrangel Island Reserve, Russian Federation

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The Ibiza, Biodiversity and Culture site in Spain was inscribed on the World Heritage List in 1999. The site's dense prairies of Posidonia oceanica, an important (and highly productive) endemic sea grass, provide coastal protection from storms, food and ha
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Ibiza, Biodiversity and Culture, Spain

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a colored shakemap from the M5.8 Virginia Earthquake depicts the shake range and epicenter of the earthquake
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Map of the Magnitude 5.8 Virginia Earthquake of 2011

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Two Adélie penguins face each other while lying on ice.
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Adélie Penguins Face Off

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Giant Squid Caught on Camera

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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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A leatherback sea turtle crawls across the sand at the Area de Conservacion Guanacaste site in Costa Rica.
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Area de Conservación Guanacaste, Costa Rica

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Phoenix’s entanglement badly injured her right lip, leaving a distinctive scar from that ordeal.
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Beware of Fishing Gear

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