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... Themes include improving understanding of the status of the environment, the changes in the environment and social systems, the global linkages, the new frontiers in science, the polar regions as a unique vantage point, and the human dimension. This IPY follows in a long tradition of polar scientific collaboration and achievement, dating back to the first IPY 150 years ago in 1882–1883, a second IPY in 1932–1933, and the International Geophysical Year in 1957– 1958.


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