Vital Arctic sea ice shrank to tie its lowest measured level for the winter, the season when ice grows, as a warming Earth shattered records across...

Arctic sea ice reached its...

Arctic sea ice levels, especially in the summer, are crucial to Earth’s climate....

Arctic sea ice levels, especially in the summer, are crucial to Earth’s climate....

Arctic sea ice levels are crucial to Earth's climate because, without the ice reflecting sunlight, more heat energy goes into the oceans. ......

The Arctic is warming four times faster than the rest of the planet....

The Arctic is warming four times faster than the rest of the planet. ......

The Arctic is warming four times faster than the rest of the planet....

The Arctic is warming four times faster than the rest of the planet...

The North Pole's sea ice has reached its lowest...