A new study details processes that keep pollutants aloft despite a drop in emissions. Nitrates in the atmosphere reduce air quality and play an important role in climate change. An international team ...

The Earth’s atmosphere is a complex and dynamic envelope comprised primarily of nitrogen and oxygen, with trace gases such as carbon dioxide, methane, water vapour and ozone playing outsized roles in ...

A startup founded by a Nobel laureate is targeting data centers in water-stressed regions as customers for its technology.

An international effort to measure air quality in South Korea, a region with complex sources of pollution, may provide new insights into the atmospheric chemistry that produces ozone pollution, ...