The National Environmental Policy Act of 1969 was the first national policy implemented for environmental protection in the US. It established the Council on Environmental Quality to provide ecological research and required environmental impact statements for major federal actions. The Environmental Protection Agency was also created under Nixon to consolidate various environmental programs. In 1980, the Comprehensive Environmental Response, Compensation and Liability Act, also known as Superfund, was passed to fund the cleanup of abandoned hazardous waste sites. The Clean Air Act of 1970 and its amendments in 1990 aimed to reduce air pollution by setting emissions standards and reporting requirements. In 2006, California became the first state to pass a law capping greenhouse gas emissions and later established the first cap-and-trade system to reduce these