World News
Arctic Exercise Challenge returns with important geopolitical stakes
The Arctic Challenge Exercise is back for its sixth edition. Hosted by Finland, Norway and Sweden, the ACE is one of Europe's largest live air exercises. Approximately 150 different aircraft will be joining the exercise.
Climate Now
Why is Arctic ice getting younger and thinner?
In partnership with Copernicus
Temperatures in parts of the Arctic were six degrees or more above average in February. Researchers are observing that the ice is thinning rapidly - and models predict that ice-free Arctic summers are on the horizon. In this special edition Climate Now reports from a -24C freezer in Tromsø, Norway.
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US breaks record with its lowest ever wind-chill temperature at -78C
An Arctic blast that brought "frostquakes" to parts of the United States saw the country record its lowest ever wind-chill temperature, meteorologists said Saturday. Atop Mount Washington in the northeastern state of New Hampshire, the wind-chill factor reached minus 78 degrees Celsius (or - 108 F).