Summer will make a dramatic entrance in the U.S. this week with a heat dome that will bring stifling heat and uncomfortable ...

The level of CO₂ in the atmosphere peaked globally at the mean of 426 parts per million in March, up from 423 ppm a year ago, and surpassed 430 ppm at the Mauna Loa Observatory in Hawaii. The ...

Iceland and Greenland recorded their hottest May temperatures ever—shocking scientists and challenging cold-adapted ...

Arctic Nations' heat record broke this May with Iceland and Greenland logging unprecedented temperatures. Scientists warn ...