Health and environmental groups sue EPA over its decision to scrap the 2009 “endangerment finding”, which labeled greenhouse gases as a danger to public health, was a big deal for climate policy. The lawsuit, filed on February 18, 2026, in the U.S. Court of Appeals for the D.C. Circuit, shows just how worried these groups are about the EPA’s direction. They say getting rid of the finding weakens the Clean Air Act and seriously rolls back progress on climate science in policymaking.

Broad Coalition Challenges the EPA

The lawsuit brings together a broad spectrum of organizations such as the American Lung Association, American Public Health Association, Physicians for Social Responsibility, Environmental Defense Fund (EDF), Natural Resources Defense Council (NRDC), and the Center for Community Action and Environmental Justice. These organizations claim that the EPA’s move is a “total abdication” of its mandate, which threatens both human health and the environment.

Besides the coalition, there are also 18 young plaintiffs aged 1 to 22 years who have filed a different petition contesting the repeal. These plaintiffs are represented by Our Children’s Trust and Public Justice, which focuses on intergenerational justice, pointing out the long-term effects of climate change that will affect future generations.

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Critics Say Repeal Is Politically Motivated

Critics of the repeal, including environmental and science leaders, have sharply criticized the EPA’s decision. Gretchen Goldman from the Union of Concerned Scientists said the repeal was “based on falsehoods, not facts,” while David Pettit, from the Center for Biological Diversity, called it a “monster giveaway to oil companies” and a way to raise consumer costs at the pump.

The EPA’s administrator, Lee Zeldin, defended the repeal, saying that the 2009 endangerment finding was “the Holy Grail of federal overreach” and “has hidden trillions of dollars in costs.” The two sides’ sharply different viewpoints demonstrate the growing tension between economic deregulation objectives and evidence-based governance for environmental issues.

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Legal Issues and Public Health Issues

The lawsuit shows how the repeal affects the health of the general public, environmental policies, and accountability for climate issues. Experts agree that repealing the science behind greenhouse gas regulations prevents efforts to mitigate climate change and creates a weakening of air quality standards, which affects the most vulnerable members of society.

Health and environmental groups sue EPA shows the continuing tensions between scientific and non-scientific environmental safeguards and deregulatory political objectives, confirming the value of the federal government’s climate oversight in providing protection for public health.

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