A new study details processes that keep pollutants aloft despite a drop in emissions.

Rivers are releasing ancient carbon dioxide, reshaping our understanding of the carbon cycle and its impact on climate change ...

Fluorescence lidar technology enables a better determination of the origin of particles in the atmosphere. The method can ...

NYC faces dangerous air quality alert Wednesday from Canadian wildfire smoke affecting 8 counties. AQI reaches 105 with ...

KETCHIKAN, Alaska (KTUU) - An early morning landslide in Ketchikan left one home and a vehicle damaged, but no one injured.