Ukraine's Paralympians have accused the International Paralympic Committee of unfair treatment as the Russian team competes under its own flag at the games for the first time since 2014.

Warming winters are making ice thinner and less predictable, leading to more drownings as people fall through while fishing, hunting and recreating on frozen waters.

Steam curls into the Arctic air as the sauna door opens, releasing warm bodies into the biting cold. It’s the heart of a polar vortex in Rovaniemi and –36°C, making the contrast especially stark. A ...