The U.S. National Research Council has just released a synthesis of reports from thousands of scientists in 60 countries who took part in the International Polar Year (IPY) 2007-08, the first in over 50 years to offer a benchmark for environmental conditions and new discoveries in the polar regions. (...)

The article:
http://www.sciencedaily.com/releases/2012/04/120403193733.htm

The website:
http://www.ipy.org/

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International Polar Year Conference 2012 seeks to translate knowledge to action:

http://www.wmo.int/pages/mediacentre/news/InternationalPolarYearConference2012seekstotranslateknowledgetoaction.html

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Climate change - Arctic passes 400 parts per million milestone:

http://www.csmonitor.com/Science/2012/0531/Climate-change-Arctic-passes-400-parts-per-million-milestone