New Hampshire’s participation in a regional agreement to limit pollutants that create ozone relies on having a vehicle ...

California air regulators adopted new rules designed to reduce methane leaks and better respond to disastrous underground ...

As a toxic haze continues to shroud the Indian capital, protesters say lack of government action has pushed the city into a ...

When the chips were down in the 1970s, Honda was the first manufacturer able to meet and beat America’s toughest emissions ...

Delhi-NCR remains under GRAP Stage 3, with strict curbs on older petrol and diesel cars, tighter enforcement, and heavy fines ...

A federal judge approved a legal agreement today requiring the U.S. Environmental Protection Agency to act on smog pollution in the Phoenix-Mesa metro area by Feb. 3, 2026. But the agency has proposed ...

In 2020, lawn equipment in Montgomery County produced as much carbon dioxide as nearly 33,000 cars during the same time period, data shows.

A grant scheme to help people buy cleaner vehicles and avoid tolls in Newcastle’s Clean Air Zone (CAZ) is set to close – with ...

The rule to end most climate regulations is not expected until January, slipping from a planned December deadline.

Atmospheric scientist Laura Wilcox talks to The Conversation Weekly about the measures China took to improve its air pollution – and the unintended consequences for the climate.