Possible future changes in Arctic sea ice cover and thickness, and consequent changes in the ice-albedo feedback, represent one of the largest uncertainties in the prediction of future temperature ...

UPDATED ANALYSIS: A new map that re-envisions the Arctic, doesn't mention the current "Arctic 5" -- the U.S., Canada, Norway, Denmark or Russia -- but more closely resembles a map of Arctic ...

With warming climate, summer sea ice in the Arctic has been shrinking fast, and now consistently spans less than half the area it did in the early 1980s. This raises the question: It this keeps up ...

U.S. policy toward the Arctic is driven by three cross-cutting factors. Despite the relentless pace of these drivers, U.S. policy has remained largely stagnant, allowing Russia and China to shape the ...

The Arctic natural environment is now undergoing rapid changes. Over the past three decades, temperature has been rising continuously in the Arctic, resulting in diminishing sea ice in summer.

The Arctic region continued to break records in 2012—among them the loss of summer sea ice, spring snow cover, and melting of the Greenland ice sheet. This was true even though air temperatures ...

A sailboat is getting closer to circumnavigating the Arctic as sea ice cover continues to plummet ...

A new federal report on the Arctic finds the region is in the midst of drastic and sudden changes as a result of human-caused warming.

News about Arctic Regions, including commentary and archival articles published in The New York Times.

Arctic temperatures spiked 36 degrees Fahrenheit, or 20 Celsius, above normal. By the end of the month, sea ice was at its lowest level ever recorded for February.