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A puffin with a mouthful of fish.
Article

Watching for Fish in the Puffin's Beak

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a man speaking at the podium
Video

World Oceans Day 2012 - Live Webcast

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Thousands of leaders and activists from across the planet converged at the UN Climate Change Summit in December 2009.
Photo

Climate Change Summit, Copenhagen

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Swimmers brave the waters in the shadow of a coal-fired power plant. Coal plants like this one emit CO2 into our atmosphere which is warming the planet and altering the chemistry of the ocean.
Overview

Climate Change

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On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
Overview

Sea Level Rise

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In 2011, storms and lack of ice-cover due to a warmer winter climate resulted in hundreds of seal pups being washed up on the shore of Prince Edward Island. Like many, this young seal faced an uncertain future. See more Nature's Best Photos.
Article

Ice-Loving Seals and the Loss of Sea Ice

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Burning fossil fuels, such as coal, oil and natural gas, spews almost 7 billion metric tons of carbon dioxide annually.
Photo

Smokestack from coal plant

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Worldwide, installations of solar energy doubled from 2007 to 2008. China is leading the way in solar cell production.
Photo

Installing Solar Panels

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Nancy standing by the ocean
Article

Corals to Communication: Nancy Knowlton’s Success Focusing on the Imminent

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Where the pH is the lowest, corals can no longer grow - sand, rubble and seagrasses replace the reef.
Article

Sneak Peek: Future of Coral Reefs in an Acidifying Ocean

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This orange boring sponge (Cliona varians) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute.
Article

Ocean Acidification Excites Boring Sponges

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A shell placed in seawater with increased acidity slowly dissolves over 45 days.
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Shell Dissolves in Seawater

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