Carbon dioxide levels measured at NOAA’s Mauna Loa Atmospheric Baseline Observatory averaged more than 410 parts per million in April and May, the highest monthly averages ever recorded.
The warming influence from long-lived greenhouse gases rose again in 2017, reflecting ongoing changes to the atmosphere associated predominantly with human activities, NOAA scientists announced today.
An analysis of the record heat afflicting the Arctic in 2016 finds that it couldn't have happened without climate change.
Chemical products like household cleaners, pesticides, paints and perfumes that contain compounds refined from petroleum now rival motor vehicle emissions as the top source of urban air pollution, according to a surprising NOAA-led study
On the ATom mission, NASA, NOAA, and a team of scientists are probing the secrets of Earth's remote atmosphere out over the deep oceans aboard NASA's DC-8, the world's largest flying chemistry laboratory.
Editor’s note: This is the fifth dispatch from Jeremy Mathis, director of NOAA’s Arctic Research Program, who is leading a team of NOAA scientists on a research cruise in the Arctic aboard the USGCGS Healy.