The environmental movement generated extensive legislation, notably the National Environmental Protection Act (NEPA), signed into law in 1970, which established an Environmental Protection Agency and a Council on Environmental Quality; the Clean Air Acts of 1970 and 1990; the Water Pollution Control Act, as amended in 1972; other laws regulating noise, pesticides, toxic substances, and ocean dumping; and laws to protect endangered species, wilderness, and wild and scenic rivers. NEPA requires all federal agencies to file impact statements assessing the environmental consequences of proposed projects such as highways, jet runways, bridges, dams, and nuclear power plants. Moreover, the new laws provide for pollution research, standard setting, monitoring, and enforcement. Citizens are empowered to sue both private industry and government agencies for violating antipollution standards. Subsequent legislation includes the Safe Drinking Water Act (1974), the Resource Conservation and Recovery Act (1976), and the Comprehensive Environmental Response, Compensation, and Liability Act, commonly known as the Superfund Act (1980). In the 1980s under Presidents Ronald Reagan and George H. W. Bush many acts were allowed to expire and the scope of environmental protection was curtailed.
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