The loss of Arctic sea ice has long been a graphic measure of human-caused climate change, with wrenching images of suffering polar bears illustrating a worsening planetary crisis. Now, new research ...

Summer sea ice in the Arctic Ocean might be a thing of the past by the 2030s, no matter what we do to curb emissions of the greenhouse gases that cause global warming, an international study released ...

The first summer on record that melts practically all of the Arctic’s sea ice, an ominous milestone for the planet, could occur as early as 2027. “The first ice-free day in the Arctic won’t change ...