Bundesbehörde
Prior to NEPA, Federal agencies were mission oriented. An example of mission orientation was to select highway routes as the shortest route between two points. NEPA was necessary to require Federal agencies to evaluate the environmental effects of their actions. NEPA's most significant outcome was the requirement that all executive Federal agencies prepare environmental assessments (EAs) and environmental impact statements (EISs). These reports state the potential environmental effects of proposed Federal agency actions. Further the U.S. Congress recognizes that "each person" has a responsibility to preserve and enhance the environment as trustees for succeeding generations. NEPA's procedural requirements do not apply to the President, Congress, or the Federal courts since they are not a "Federal agency" by definition. However, a Federal agency taking action under authority ordered by the President may be a final agency action subject to NEPA's procedural requirements. A U.S. District Court describes the need for even the President to have the NEPA analysis information before making a decision as follows: