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Cold 'blob' in North Atlantic
CNN's Jennifer Gray explains the cold "blob," a large area in the Atlantic Ocean that's one of the only places on earth that is abnormally cold this year.
1:41 • Source: CNN
Our environment 16 videos
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Cold 'blob' in North Atlantic
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New plan to protect the Great Barrier Reef
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Are you eating plastic?
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World's first plastic-free supermarket aisle debuts
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The environmental cost of one day on Earth
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SANTA CRUZ PROVINCE, ARGENTINA - NOVEMBER 27: Ice calves at the Perito Moreno glacier in Los Glaciares National Park, part of the Southern Patagonian Ice Field, the third largest ice field in the world, on November 27, 2015 in Santa Cruz Province, Argentina. The majority of the almost 50 large glaciers in Los Glacieres National Park have been retreating during the past fifty years due to warming temperatures, according to the European Space Agency (ESA). The United States Geological Survey (USGS) reports that over 68 percent of the world's freshwater supplies are locked in ice caps and glaciers. The United Nations climate change conference begins November 30 in Paris. (Photo by Mario Tama/Getty Images)
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Facts first: Climate change is real
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EPA Administrator Lisa P. Jackson speaks during a news conference on greenhouse gases at the Environmental Protection Agency headquarters on December 7, 2009
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How will EPA cuts affect your neighborhood?
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The Keystone pipeline ... explained
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