The global temperature was down, thanks to La Niña, but it was still the sixth-hottest year on record. And 2 billion people had their warmest year yet. ..
Soaring temperatures are rapidly thawing permafrost, leading to huge sinkholes called thermokarst. Northern fires are making the situation even worse. ..
Global warming is making it harder to predict the movement and location of the ice cover, crucial information for fishing and global shipping. ..