Trump brought two of the vehicle repair shop's owners to the stage at his Wasilla, Alaska, rally and said he was pardoning ...

Methane emissions from the oil and gas sector held steady in the United States even as oil and gas production increased during a recent period of ...

The study by a Johns Hopkins team is part of an effort to determine whether federal greenhouse gas legislation and mandates ...

A decade ago, the international treaty that shapes what’s inside our cooling systems was amended to favour gases that ...

On Oct. 1, a coalition of 21 states and the District of Columbia sued the U.S. Environmental Protection Agency (EPA) over its ...

New capability delivers continuous benzene measurement, helping air quality professionals investigate potential sources faster and understand emissions in context.

A change in PM2.5 does not by itself reveal whether emissions fell, weather improved or a policy worked, making measurement central to clean-air evaluation ...

Cold-air intakes promise more horsepower and a louder engine sound, but how much performance do they really add?

Rochester Midland Corporation acquired ApHinity Technologies, an environmental solutions provider based in La Habra, ...

A year-long, nationwide comparison shows China's newly released EPICC-Model matching or beating CAMx and CMAQ at simulating ...

Oklahoma Attorney General Gentner Drummond has identified several concerns with proposed changes to state air quality rules.

An opinion piece argues for transparent air-quality monitoring around Ontario’s CN Milton Logistics Hub to address health ...