Articles on Clean Air Act

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Across the U.S., people are calling for companies to pay for the damage they have done to the environment. Alex Kent/AFP via Getty Images

The US Constitution and laws do not protect oil companies from being sued over the harm they cause to the climate

Calls for the Supreme Court to give fossil fuel companies immunity from liability for climate-related damage misreads the Constitution, precedent and the role of courts.
The Trump administration is trying to tie the hands of future administrations when it comes to regulating pollution, including greenhouse gas emissions. Chris Sattlberger/Tetra Images via Getty Images

When you don’t have the facts, argue the law: How Trump’s EPA is limiting its own ability to protect public health far into the future

The EPA’s new interpretations are strategically designed to appeal to the current US Supreme Court’s view of agency authority.
Pittsburgh’s air pollution not only led to increased deaths, but it also had other negative effects, from lowered IQ in children to adverse birth outcomes. G Fiume/Getty Images Sport via Getty Images

Pittsburgh’s air pollution estimated to claim 3,000+ lives per year − and EPA rollbacks aren’t helping

A new study linking Pittsburgh’s air pollution to thousands of deaths each year has been published just as the EPA moves to weaken pollution standards.
Coal-fired power plants emit both smoke and steam. Paul Souders/Stone via Getty Images

Coal plants emitted more pollution during the last government shutdown, while regulators were furloughed

As soon as the 2018-2019 shutdown began, coal-fired power plants started emitting more particulate matter pollution. And when the inspections resumed, the levels dropped back to normal.
Environmental Protection Agency staff and contractors are often involved in large cleanups of toxic waste, such as after the Los Angeles fires of early 2025. Mario Tama/Getty Images

Trump administration is on track to cut 1 in 3 EPA staffers by the end of 2025, slashing agency’s ability to keep pollution out of air and water

Careful research into public information and in-depth interviews has shown the scale of personnel cuts at the Environmental Protection Agency.
Scientist Aubrey Hillman, one of the authors of this article, extracts a core of mud from the bottom of Black Pond in June 2025. Patrick Dodson/University at Albany

Industrial pollution once ravaged the Adirondacks − decades of history captured in lake mud track their slow recovery

Acid rain and metals from power plants, vehicles and industries reached remote mountain lakes for years. Evidence from those lakes today shows the success of the Clean Air Act.
Billy Frank Jr., left, a Nisqually tribal elder, was arrested dozens of times while trying to assert his native fishing rights during the ‘Fish Wars’ of the 1960s and 1970s. In this 2014 photo, he stands with Ed Johnstone of the Quinault tribe. AP Photo/Ted S. Warren

As federal environmental priorities shift, sovereign Native American nations have their own plans

Tribal governance takes a long view based in Native peoples’ deep history with these lands.
Several U.S. climate regulations aim to reduce burning of fossil fuels, a driver of climate change. Visions of America/Joseph Sohm/Universal Images Group via Getty Images

Revoking EPA’s endangerment finding – the keystone of US climate policies – isn’t simple and could have unintended consequences

The Trump administration’s goal is to roll back rules limiting planet-warming greenhouse gas emissions from power plants, vehicles and oil and gas production, but it could backfire for industry.

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