Top Story Antarctic sea-ice at 'mind-blowing' low alarms experts Missing winter sea ice signals changes that could be a "disaster for the world", scientists say.
Resilience These trees are spreading north in Alaska. That’s not good White spruce trees are expanding into the Arctic tundra with stunning speed, with potentially serious consequences both for the region and the world.
Politics Why the Arctic is warming 4 times as fast as the rest of Earth The loss of sea ice is exposing darker waters, which absorb more of the sun’s energy. It’s a devastating feedback loop with major consequences for the planet.
Impacts Deadly heat is baking cities. Here’s how to cool them down Urban areas can be 20 degrees hotter than the surrounding country. But green spaces and reflective pavement can make city life more bearable.