An EPA analysis found the proposed relaxation of air toxics rules may require states "to pursue emissions reductions from ...

The EPA plans to roll back power plant rules on emissions, reversing Biden-era climate protections and sparking public health ...

The U.S. Environmental Protection Agency (EPA) has announced sweeping changes to regulations on emissions of greenhouse gases ...

Billings has the highest total sulfur dioxide emissions in the state, with the second highest emissions recorded in Helena ...

The Biden administration had mandated that coal- and gas-fired power plants drastically reduce emissions by the 2030s.

"As soon as the rule was released, the EPA employees started talking about how terrible this was going to be for the state of ...

The Environmental Protection Agency (EPA) proposed axing or reforming major Biden-era rules on power plants on Wednesday. EPA ...

In 2022, the U.S. Supreme Court overturned the Clean Power Plan, ruling that the EPA lacked authority under section 111 of the federal Clean Air Act to require existing power plants to shift ...

The EPA has contradicted itself—and legal precedent—in its bid to undo Biden-era limits on power-plant climate pollution ...

The EPA is making good on one of President Donald Trump’s campaign promises, announcing Wednesday it's rolling back Biden-era ...

EPA Administrator Lee Zeldin claims the repeal of two Biden-era air quality rules will save money, but his own agency's data ...

Environmental Protection Agency Administrator Lee Zeldin announced the agency would begin its process to repeal former ...