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The Arctic plays a key role in the global climate system and is a region in the midst of rapid change, encompassing the land, ocean and the atmosphere. In this course you will learn about the highly varied climates and landscapes that characterize the Arctic, the Arctic Ocean and its floating sea ice cover, the Greenland ice sheet, Arctic tundra, snow and permafrost. The course will also emphasize the dramatic changes that are taking place in the Arctic, including rapid warming and a shrinking sea ice cover, and what these changes mean for the rest of the planet.