Last year was the third-warmest in modern history, according to Copernicus, the European Union’s climate change monitoring service. In 2025, the average global temperature was about 1.47 degrees Celsius (2.65 Fahrenheit) higher than from 1850 to 1900—the period scientists use as a reference point, since it precedes the industrial era in which massive amounts of carbon pollution have been pumped into the atmosphere. U.S. agencies released similar temperature statistics. Accord