Secretary of State John Kerry speaks with a scientist who tracks the diving patterns of Weddell seals – some which dive as deep as 900 meters, as shown on the wall chart behind them - as the Secretary toured Crary Labs at McMurdo Station in Antarctica on November 12, 2016, during a visit to research facilities around Ross Island and the Ross Sea in an effort to learn about the effects of climate change on the Continent.

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Keywords: antarctica, department, john, kerry, state, states, united, usa