Earth has experienced climate change in the past without help from humanity. We know about past climates because of evidence left in tree rings, layers of ice in glaciers, ocean sediments, coral reefs ...
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Our military C-17 flight landed on 2.3-meter thick sea ice in McMurdo Sound. McMurdo has three airfields that are used at different times during the austral summer. The sea-ice runway is located a few ...
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