Arctic

Ecocentric Ecocentric

Arctic Sea Ice Shrinks to Second-Lowest Level on Record

If you want to see global warming in action, head to the Arctic. The seasonal shrinking of the sea ice over the North Pole is one of the most visible symptoms of the gradual warming of the planet. Every winter, Arctic ice builds up in the polar darkness, and then in the summer, it melts. Over the last several years—as temperatures …

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Is the Scramble Over the North Pole Back On?

For all its remoteness, the North Pole generates a lot of controversy. In 1909, the American admiral Robert Peary reported that he successfully reached the geographic North Pole, a feat of navigation that is now widely disputed. Nearly a century later, another expedition to the remote top of the globe caused a stir when Russian …

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Does China Have an Eye on the Arctic?

Last week, WikiLeaks published a new round of diplomatic cables in concert with an annual meeting of the Arctic Council in Nuuk, Greenland. Written between 2007 and 2010, the cables highlight the lingering sense of global insecurity over who owns what at the rooftop of the world. They don’t cover any particularly new ground, but they …

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The Arctic Meltdown Accelerates

One of the most pressing predictions that must be made in climate science concerns the rate of polar melting. As they warm—and the Arctic and Antarctic regions have heated up faster than most of the rest of the planet—the glaciers of Greenland and Antarctica are melting and flowing into the ocean, which then raises sea levels. …

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Oh No for the Ozone—But Things Are Still Getting Better

Remember the hole in the ozone? (TIME magazine does.) Thanks largely to the unchecked use of chemicals like chlorofluorocarbons (CFCs) and halons in the postwar era, the ozone layer thinned dramatically—especially over the Arctic and Antarctic poles. That was bad news for life on Earth because the ozone layer blocks harmful blocks UV-B …

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