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Video: Watch Our Planet's Ice Disappear

Watch this incredible video of the "recent" history of ice on our planet, from its long retreat after the Ice Age to the current rapid big melt.

A couple of engineers at the Zurich University of Applied Sciences created this visualization of shrinking glaciers, polar ice caps, and ice shelves, starting back 21,000 years ago (at the peak of the last Ice Age), and ending 1,000 years from now.

[youtube]http://www.youtube.com/watch?v=C3Jwnp-Z3yE

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In Alaska, As Goes the Ice, So Goes the Food

The Arctic food web is unraveling as the ice melts. An interactive animation shows you what happens when even the smallest species disappears.

The cover article of the current issue of OnEarth is a terrific, if somewhat depressing, must read. (Is there a term yet for must-read long reads?) Bruce Barcott plunges into the frigid, but melting, Arctic Seas, and comes out with a story of how the oh-so-fragile food web of the upper latitudes is starting to come undone.

Perhaps as good as the article itself is the accompanying material online. An interactive, animated graphic invites you to click on various Arctic species to see what would happen if they disappeared. By watching the impacts on other species—even humans—it becomes as clear as an Alaska stream how interconnected the aquatic ecosystem is, and what a severe threat warming is on the entire Arctic way of life. Click here or on the image below to toy around with the web.

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Arctic Ice Shrinks to Another Record Low

Arctic sea ice, "the air conditioner to the planet," is disappearing faster than any models anticipated. Have a look. It's a little alarming.

Most of North America and Europe may be frozen solid this winter, but at the top of the planet, it's been abnormally warm. So warm that the Arctic sea ice shrank to its lowest extent ever recorded in January, new analysis from the National Snow and Ice Data Center shows.

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