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Dan Phiffer Dan Phiffer is an Internet enthusiast based in Troy, NY

Young Arctic icewww.climate.gov

Each year more and more of the Arctic is comprised of “young ice.”

Video

This animation tracks the relative amount of ice of different ages from 1987 through early November 2014. The first age class on the scale (1, darkest blue) means “first-year ice,” which formed in the most recent winter. (In other words, it’s in its first year of growth.) The oldest ice (>9, white) is ice that is more than nine years old.

Link

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