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Published online 25 February 2009 | Nature 457, 1074-1075 (2009) | doi:10.1038/4571074a

News Feature

International Polar Year: Notes from the poles

The International Polar Year (IPY) has covered two full annual cycles at both poles. Consisting of 170 projects, it has involved more than 60 countries and cost about US$1.2 billion.

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