
Arctic Sea ice fragments near Greenland float between two icebergs in 2022. Image by Adam Sébire/Climate Visuals (CC BY-NC-ND 4.0).
January 2025 was the warmest January on record, surpassing the previous record set by January 2024, according to satellite data from the EU’s Copernicus program. The findings were unexpected as ongoing La Niña conditions in the Pacific typically cool down global temperatures.




