In the United States, the practice of environmental assessment was formally initiated on January 1, 1970, the effective date of the National Environmental Policy Act (NEPA).
Praktik penilaian lingkungan hidup diawali pada tanggal 1 Januari, 1970 tanggal efektif Undang-Undang Kebijakan Lingkungan Nasional (NEPA) di Amerika Serikat.