The North Pole is under siege by global warming. The sea ice there has lost half its thickness in the past six years, and all signs point to further rapid melting. By 2013, the entire Arctic could be devoid of ice in summer, and the region is likely to experience an influx of shipping, fishing and tourism. Russia planted its flag in the North Pole’s ocean floor two years ago, and other northern nations find themselves under mounting pressure to lay claim to huge swaths of the seabed. Before the land grab goes too far, the nations most involved should turn the northernmost part of the Arctic into a great park — a marine preserve that protects the polar environment and serves as a center for peaceful, international scientific research.… Seguir leyendo »
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