NASA’s new 3-dimensional portrait of methane concentrations shows the world’s second largest contributor to greenhouse warming, the diversity of sources on the ground, and the behavior of the gas as it moves through the atmosphere.

Nitrogen is essential for all living things.

Researchers from the University of Bonn show risks and possible counter strategies in a new publication.

Despite reductions, pollution in growing regions persists, pointing to mitigation opportunities.

New data from the Copernicus Sentinel-5P satellite reveal the decline of air pollution, specifically nitrogen dioxide emissions, over Italy.

Scientists aim to better understand the effects of carbonaceous aerosol on air pollution and climate change.

In 2016, scientists at MIT and elsewhere observed the first signs of healing in the Antarctic ozone layer. 

Lanzhou was one of the most air-polluted cities in China over the past few decades due to its narrow river valley topography and industrial emissions.

Ever since the industrial revolution, nitrogen fixation induced by human activities has considerably altered the nitrogen cycling process on the Earth.

Researchers found that PM2.5 showed different pollution characteristics and mechanisms under the artificial control and synoptic situations.