It opens the door for reviews of other emissions-based zones across the country and whether they could achieve pollution targets without charging drivers.

According to the map, the 10 ZIP codes with highest exposure are concentrated near the ports and along the 110, 710, and 605 ...

The National Weather Service issued an air stagnation advisory at 11:44 a.m. on Monday in effect until Friday at 4 a.m. for ...

Donald Trump made liberal use of emergency powers during his first stint as US president and is employing the same playbook this time around. Just hours after being sworn into office for a second term ...

PM2.5 air particulate levels around 10 micrograms is good air quality. But, research shows that even under "acceptable" ...

The Massachusetts Department of Environmental Protection has fined Holyoke Country Club for underground storage tank and air ...

SmartAsset ranked 100 of the largest U.S. cities based on 10 health factors, including self-reported physical and mental well ...

Those who have worked to combat climate change for years believe they are well-prepared to challenge executive orders that ...

Good morning, Boulder. The beautiful snow is melting as the sun is back to remind us why we love it here.

Experts are starting to warn against air pollution, urging global leaders to act quickly before health concerns take more ...

In his first week, President Trump eliminated White House advisors who worked to ensure the government helped with health ...

Forecasters are warning that air pollution may become trapped and adversely affect humans, due to weather conditions in the U ...