The National Environmental Policy Act


Welcome to NASA's NEPA Library, an electronic database of Environmental Assessments (EAs) and Environmental Impact Statements (EISs). Click here to view the database.

NEPA Fundamentals

The main objective of the NEPA process is to protect and enhance the quality of the human environment through three main initiatives. Click here to learn more about the fundamentals of NEPA.

Related Sites

NEPA at the Council on Environmental Quality.

 >View CEQ Website

NEPA at the Environmental Protection Agency.

 >View EPA Website

NASA's Environmental Management Division Website.

 >View NASA EMD Website

Related Topic

Blue Marble Awards
NASA's Environment and Energy Blue Marble Awards recognizes groups and individuals demonstrating exceptional environmental leadership in support of NASA's missions and goals.
> Click here for more information.

Related Topic

Screenshot of OSI HomepageOffice of Strategic Infrastructure
The Office of Strategic Infrastructure is a diverse organization supporting Agency missions by providing executive leadership, policy, technical expertise and oversight of Agency infrastructure and management systems.
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Eyes on our Blue Marble

Climate Change

NASA develops tools to address Greenhouse Gases (GHG) and Climate Change (CC) in NEPA documents. To read more about these tools, click here. To learn more about NASA's role in Climate Change, click here

Above: The image above shows the difference in size of Alaska's Columbia Glacier in 1986 (left) to its size in 2014 (right).

Reid Wiseman

During his 166 day mission to the International Space Station (ISS), Commander Reid Wiseman captured spectacular images of Earth. To view these images and videos, click here

Above: Commander Reid Wiseman captured lightning flashes during a thunderstorm from the International Space Station.

Earth Science

NASA's mission includes, "Advance understanding of Earth and develop technologies to improve the quality of life on our home planet." Read more about NASA's mission in the 2014 Strategic Plan.

For additional information on NASA's Programs and Projects that are studying Earth, please click one of the following links:

Above: NASA's "Eyes on the Earth" interactive tool allows users to explore the health of our planet.


NASA has issued a Notice of Availability for the Draft EA for a new test stand at the Johnson Space Center (JSC) White Sands Test Facility (WSTF), New Mexico.

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NASA has issued a Notice of Availability for the Draft Supplemental Environmental Assessment (EA) for the Low Density Supersonic Decelerator (LDSD) Technology Demonstration Mission.

 >Read More

NASA has issued a Notice of Availability of their Draft EA, Decontamination and Decommissioning of Building 140 at Glenn Research Center Lewis Field.

 >Read More

NASA has issued a Record of Decision for the Mars 2020 Mission Final EIS.

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NASA's Kennedy Space Center, Florida, announces plans to prepare an EIS for Centerwide Operations

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NASA has released the Record of Decision (ROD) for the Demolition and Environmental Cleanup Activities at Santa Susana Field Laboratory EIS

 >Read More

NASA has published a Final EIS and issued a Record of Decision for the Sounding Rocket Program.

 >Read More

NASA has prepared a FONSI adopting the USAF Supplemental EA for Falcon 9v1.1 launches from Florida.

 >Read More

Page Last Updated: April 8th, 2015
Page Editor: Samuel Serafini