Lisa Speer, Director of the International Oceans Program, New York

Sea ice in the Arctic thawed to a record low this past weekend, with even further declines expected in coming weeks  As scientists at the National Snow and Ice Data Center confirmed, the extent of sea ice in the Arctic fell to the lowest point we’ve seen since recording began in 1979. The rapid disappearance of summer sea ice threatens ice-dependent species and ecosystems, along with the people who depend on them. And we may soon see insult added to injury in this fragile region if new industrial development, made possible by the loss of ice, isn’t managed properly.

 Since 1979, scientists have measured sea ice in the Arctic via satellites. Each fall, as temperatures drop, the ice grows significantly, retreating back during the summer months. This sea ice provides critical habitat for endangered and threatened species, including polar bears, whales, seals, and birds. The ice also plays a critical role in regulating our climate—its bright, white surface reflects the sun’s light, helping to keep the planet cool.

 But Arctic sea ice is no match for global warming. With melting likely to continue into September, we’ve already seen summer ...

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