September 22, at 15:30CEST/ 9:30AMEDT marks the autumn equinox, when the sun finally will go down on an Arctic summer like none before. Multiple heat waves broke records across the region, from Alaska to Greenland to Siberia, where the city of Verkhoyansk reached 100.4°F (38°C), the highest temperature ever recorded within the Arctic Circle.  Svalbard […]