On days of heavy pollution in Sulphur, a southwest Louisiana town surrounded by more than 16 industrial plants, Cynthia ...

The House and Senate both voted to loosen regulations on air pollutants like dioxin and mercury, which are associated with ...

Community groups are suing the Louisiana Department of Environmental Quality over a new law that could prevent them from ...

For community groups to allege violations of environmental rules, a state law says groups have to use federally-approved testing equipment, and it sets restrictions for analyzing and sharing the data.

Conservation groups have reacted with alarm after reports that the Trump administration has temporarily suspended all air quality monitoring programs at America's national parks.

“We’re slashing unnecessary regulations that targeted ... counties in the United States lack air quality monitoring for ozone or particulate pollution. A study published Tuesday in Proceedings ...

EPA is getting rid of the two offices that are primarily responsible for regulating climate and air pollution ... OAR to shift away from greenhouse gas regulations and instead focus on “limiting ...

The creation of the Environmental Protection Agency in 1970 introduced air pollution regulations ... an early pollution monitoring group. Here's Grand Avenue in 1967, after efforts to limit ...