During a year of extremes, carbon dioxide levels surge faster than ever

Carbon dioxide measured at NOAA’s Mauna Loa Atmospheric Baseline Observatory surged to a seasonal peak of just under 427 parts per million (426.90 ppm) in May 2024. That’s an increase of 2.9 ppm over… 

​Read More Carbon dioxide measured at NOAA’s Mauna Loa Atmospheric Baseline Observatory surged to a seasonal peak of just under 427 parts per million (426.90 ppm) in May 2024. That’s an increase of 2.9 ppm over…