Southern California air regulators have approved a sweeping plan to reduce pollution in the nation’s smoggiest region within the next two decades, but say they cannot meet national air quality ...

Over the past four years, the Environmental Protection Agency has tightened restrictions on a host of pollutants and pollution sources, ranging from tougher tailpipe emissions standards for all ...

A new study has uncovered that the Erhai Lake Basin in southwest China is releasing far more atmospheric nitrogen pollution than it absorbs, raising concerns about regional air quality, ecosystem ...

Winter crops grow in the Imperial Valley, an irrigated desert hosting some of the most productive winter farmland in the United States. (Getty) At least one-quarter of all nitrogen oxide (NO x) ...

An international team of researchers has found that nitrogen emissions from fertilizers and fossil fuels have a net cooling effect on the climate. But they warn increasing atmospheric nitrogen has ...

Getting your Trinity Audio player ready... The state’s oil and gas industry will face new rules cracking down on emissions as the state battles to bring the Denver area and northern Colorado into line ...

Nitrous oxide is a potent greenhouse gas. This article outlines effective management practices for farmers to reduce N2O emissions and enhance sustainability.

WASHINGTON— A federal judge approved a legal agreement today requiring the Environmental Protection Agency to update air quality standards by Nov. 10, 2028, that protect people from toxic nitrogen air ...

Researchers showed that teosinte gene fragments in modern corn suppress nitrifying and denitrifying soil bacteria, reducing ...