US Environmental Protection Agency website: https://www.epa.gov/

US Environmental Protection Agency website

US Environmental Protection Agency website: https://www.epa.gov/

The United States Environmental Protection Agency (USEPA), commonly known as the U.S. Environmental Protection Agency or U.S. EPA, is an independent administrative agency of the U.S. federal government, established on July 9, 1970. It is responsible for nationwide environmental protection efforts.

The establishment of the EPA was prompted by severe environmental pollution problems in the United States during the 1970s. The Clean Air Act of 1963 served as its precursor, which was revised in 1970 and 1990. In 1972, the EPA passed the Clean Water Act, marking the standardization of water quality monitoring in the United States.

The main responsibilities of the EPA include: formulating and implementing environmental standards; conducting research and collecting intelligence on various environmental impacts and pollution prevention; providing financial assistance and technical support for environmental protection; formulating policies for the U.S. Environmental Quality Council and reporting to the President; and managing various natural resources.

Since its establishment, the EPA has promulgated and revised several important environmental regulations, including the Regional Haze Regulations, the Clean Air Act, and the Interstate Air Pollution Regulations. The leaded gasoline phase-out program initiated in 1974 reduced blood lead levels in Americans by more than 75% over a decade. The "Superfund" program launched in 1980 completed the remediation of over 1,300 high-risk contaminated sites nationwide, establishing the polluter-pays principle.

In 2025, the EPA has undergone significant policy adjustments: on May 2, it announced plans to reduce staff to the lowest level since 1980 and cut a $300 million budget; on July 18, it announced through early retirement and layoffs to cut at least 23% of staff; and on July 23, it announced plans to revoke the 2009 scientific finding that greenhouse gas emissions endanger public health, which had been the cornerstone of U.S. climate policy.

The 2024-2027 fiscal year action plan focuses on six key areas: climate change mitigation, PFAS pollution exposure response, protecting communities from coal ash pollution, reducing air toxic substances in overburdened communities, improving drinking water standard compliance, and reducing chemical accident risks.