National Environmental Policy Act

E12183

United States federal statute environmental law

The National Environmental Policy Act is a foundational U.S. environmental law that requires federal agencies to assess and disclose the environmental impacts of their proposed actions through processes like Environmental Impact Statements.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (9)

Label	Occurrences
National Environmental Policy Act canonical	50
NEPA	5
National Environmental Policy Act of 1969	5
An Act to establish a national policy for the environment, to provide for the establishment of a Council on Environmental Quality, and for other purposes	1
NEPA does not require federal agencies to adopt any particular mitigation measures identified in an environmental impact statement	1
NEPA is essentially procedural and does not mandate particular substantive environmental results	1
National Environmental Policy Act codified sections	1
National Environmental Policy Act procedures	1
national environmental policy of the United States	1

Statements (50)

Predicate	Object
instanceOf	United States federal statute ⓘ environmental law ⓘ
administeredBy	Council on Environmental Quality ⓘ U.S. federal agencies ⓘ surface form: United States federal agencies
appliesTo	federal agencies ⓘ major Federal actions significantly affecting the quality of the human environment ⓘ
codifiedIn	42 U.S.C. §§ 4321–4370h ⓘ
considered	cornerstone of U.S. environmental law ⓘ
contains	Congressional declaration of national environmental policy ⓘ provisions for public participation in environmental decision-making ⓘ requirements for detailed statements on environmental impacts ⓘ
country	United States of America ⓘ surface form: United States
doesNotDirectlyRegulate	private sector activities without federal involvement ⓘ
effectiveDate	1970-01-01 ⓘ
enactedBy	United States Congress ⓘ
established	Council on Environmental Quality ⓘ
hasAcronym	National Environmental Policy Act self-linksurface differs ⓘ surface form: NEPA
implementedThrough	Council on Environmental Quality regulations ⓘ agency-specific NEPA procedures ⓘ
influenced	international environmental impact assessment practices ⓘ state environmental policy acts ⓘ
keyConcept	Environmental Assessment ⓘ Environmental Impact Statements ⓘ surface form: Environmental Impact Statement Finding of No Significant Impact ⓘ human environment ⓘ major federal action ⓘ significantly affecting the quality of the human environment ⓘ
legalDoctrine	procedural statute rather than substantive environmental standard ⓘ
primaryPurpose	to declare a national policy for the environment ⓘ to enrich the understanding of ecological systems and natural resources ⓘ to promote efforts which will prevent or eliminate damage to the environment and biosphere ⓘ
publicLawNumber	Public Law 91-190 ⓘ
relatedCaseLaw	Calvert Cliffs Coordinating Committee v. U.S. Atomic Energy Commission ⓘ Robertson v. Methow Valley Citizens Council ⓘ Vermont Yankee Nuclear Power Corp. v. NRDC ⓘ
requires	Environmental Assessments ⓘ Environmental Impact Statements ⓘ consideration of alternatives to proposed federal actions ⓘ consideration of cumulative environmental impacts ⓘ environmental impact assessment of major federal actions ⓘ interdisciplinary approach to environmental decision-making ⓘ public disclosure of environmental impacts ⓘ
section	42 U.S.C. § 4331 ⓘ 42 U.S.C. § 4332 ⓘ
shortName	National Environmental Policy Act self-linksurface differs ⓘ surface form: NEPA
signedBy	Richard Nixon ⓘ
signingDate	1970-01-01 ⓘ
statutesAtLargeCitation	83 Stat. 852 ⓘ
title	National Environmental Policy Act self-linksurface differs ⓘ surface form: National Environmental Policy Act of 1969
yearOfEnactment	1969 ⓘ

How these facts were elicited

The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.

Instruction

You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10.

# Requirements
- If you don't know the subject at all, return an empty list.
- If the subject is not a named entity, return an empty list.
- Include at least one triple where predicate is "instanceOf".
- Do not get too wordy.
- Separate several objects into multiple triples with one object.

Input

Subject: National Environmental Policy Act
Description of subject: The National Environmental Policy Act is a foundational U.S. environmental law that requires federal agencies to assess and disclose the environmental impacts of their proposed actions through processes like Environmental Impact Statements.

Referenced by (66)

Full triples — surface form annotated when it differs from this entity's canonical label.

U.S. Endangered Species Act → relatedTo → National Environmental Policy Act ⓘ

Council on Environmental Quality → overseesImplementationOf → National Environmental Policy Act ⓘ

Council on Environmental Quality → legalBasis → National Environmental Policy Act ⓘ

Council on Environmental Quality → createdBy → National Environmental Policy Act ⓘ

this entity surface form: National Environmental Policy Act of 1969

Reorganization Plan No. 4 of 1970 → relatedTo → National Environmental Policy Act ⓘ

National Historic Preservation Act of 1966 → relatedTo → National Environmental Policy Act ⓘ

Clean Water Act → relatedTo → National Environmental Policy Act ⓘ

Environment and Natural Resources Division → appliesLaw → National Environmental Policy Act ⓘ

National Marine Fisheries Service → legalAuthority → National Environmental Policy Act ⓘ

National Environmental Policy Act → shortName → National Environmental Policy Act self-linksurface differs ⓘ

this entity surface form: NEPA

National Environmental Policy Act → title → National Environmental Policy Act self-linksurface differs ⓘ

this entity surface form: National Environmental Policy Act of 1969

National Environmental Policy Act → hasAcronym → National Environmental Policy Act self-linksurface differs ⓘ

this entity surface form: NEPA

U.S. Forest Service → implements → National Environmental Policy Act ⓘ

this entity surface form: National Environmental Policy Act procedures

Title 42 of the United States Code → includes → National Environmental Policy Act ⓘ

this entity surface form: National Environmental Policy Act codified sections

NHPA → relatedTo → National Environmental Policy Act ⓘ

Public Law 89-665 → relatedTo → National Environmental Policy Act ⓘ

National Historic Preservation Act Amendments of 1980 → relatedTo → National Environmental Policy Act ⓘ

ENRD → enforces → National Environmental Policy Act ⓘ

Outer Continental Shelf Lands Act → relatedTo → National Environmental Policy Act ⓘ

Office of Environmental Programs → appliesPolicy → National Environmental Policy Act ⓘ

Mineral Leasing Act → relatedTo → National Environmental Policy Act ⓘ

Alaska Region → follows → National Environmental Policy Act ⓘ

subject surface form: Alaska Region (BOEM)

Fish and Wildlife Coordination Act → relatedTo → National Environmental Policy Act ⓘ

California Environmental Quality Act → influencedBy → National Environmental Policy Act ⓘ

Zigzag Ranger District → governingLaw → National Environmental Policy Act ⓘ

Barlow Ranger District → governingLaw → National Environmental Policy Act ⓘ

Ecological Services Program → implements → National Environmental Policy Act ⓘ

91st United States Congress → passed → National Environmental Policy Act ⓘ

Paducah Gaseous Diffusion Plant → governedBy → National Environmental Policy Act ⓘ

Public Law 91-190 → officialName → National Environmental Policy Act ⓘ

this entity surface form: National Environmental Policy Act of 1969

Public Law 91-190 → shortName → National Environmental Policy Act ⓘ

this entity surface form: NEPA

Public Law 91-190 → titleOfAct → National Environmental Policy Act ⓘ

this entity surface form: An Act to establish a national policy for the environment, to provide for the establishment of a Council on Environmental Quality, and for other purposes

Public Law 91-190 → establishes → National Environmental Policy Act ⓘ

this entity surface form: national environmental policy of the United States

Environmental Impact Statements → governedBy → National Environmental Policy Act ⓘ

subject surface form: Environmental Impact Statement

Environmental Impact Statements → governedBy → National Environmental Policy Act ⓘ

subject surface form: Environmental Impact Statement

this entity surface form: NEPA

Calvert Cliffs Coordinating Committee v. U.S. Atomic Energy Commission → appliesLaw → National Environmental Policy Act ⓘ

Robertson v. Methow Valley Citizens Council → legalSubject → National Environmental Policy Act ⓘ

Robertson v. Methow Valley Citizens Council → abbreviation → National Environmental Policy Act ⓘ

this entity surface form: NEPA

Robertson v. Methow Valley Citizens Council → holding → National Environmental Policy Act ⓘ

this entity surface form: NEPA does not require federal agencies to adopt any particular mitigation measures identified in an environmental impact statement

Robertson v. Methow Valley Citizens Council → holding → National Environmental Policy Act ⓘ

this entity surface form: NEPA is essentially procedural and does not mandate particular substantive environmental results

Robertson v. Methow Valley Citizens Council → statuteInterpreted → National Environmental Policy Act ⓘ

this entity surface form: National Environmental Policy Act of 1969

Henry M. Jackson → sponsored → National Environmental Policy Act ⓘ

Federal Land Policy and Management Act → relatedTo → National Environmental Policy Act ⓘ

Trans-Alaska Pipeline Authorization Act → relatedTo → National Environmental Policy Act ⓘ

Biotechnology Regulatory Services → legalBasis → National Environmental Policy Act ⓘ

89-665 → relatedTo → National Environmental Policy Act ⓘ

United States environmental law → keyStatute → National Environmental Policy Act ⓘ

United States in litigation involving Indian tribes → governedBy → National Environmental Policy Act ⓘ

Suitland Parkway (NPS-managed segments) → subjectTo → National Environmental Policy Act ⓘ

OCSLA → relatedTo → National Environmental Policy Act ⓘ