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Climate Change

The Great Barrier Reef

Ocean Acidification and the Battle Between Coral and Seaweed

Ocean acidification creates plenty of potential problems for life in the oceans, but corals might have it the worst

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An Arctic Ozone Hole?

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It’s Getting Hot in Here

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Ten Science Stories You Should Have Read

My ten favorite Smithsonian science and nature stories from the past year

Polar Bear at Cape Churchill (Wapusk National Park, Manitoba, Canada)

It’s Not Too Late to Save the Polar Bear

In 2007, scientists from the USGS said that if humans didn’t cut greenhouse gas emissions, two-thirds of the world’s polar bears could be gone by 2050

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