Last year tied with 2016 as the world’s warmest year on record, rounding off the hottest decade globally as the impacts of climate change intensified, the European Union’s Copernicus Climate Change Service...

The global surface temperature for the first five months of the year was the second highest on record, marginally behind the strong El Niño year of 2016. The month of May was the...

Average Arctic sea ice extent for November was the lowest on the satellite record, reflecting unusually high air temperatures, winds from the south, and a warm ocean. Antarctic sea ice extent quickly...