Office of Environmental Management | Department of Energy

Office of Environmental Management | Department of Energy
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Office of Environmental Management
Explore:
About Us
Acquisition
Program & Project Management
Science & Technology
Areas of Focus
Deactivation & Decommissioning (D&D)
Deactivation and Decommissioning (D&D) is the process of taking an active/excess/abandoned facility to a final disposition end state.
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about
Deactivation & Decommissioning (D&D)
September 25, 2025
Excess Materials and Radioactive Waste Management
Waste and materials disposition plays a vital role in the cleanup of radioactive waste.
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about
Excess Materials and Radioactive Waste Management
February 17, 2026
Packaging and Transportation
DOE safely transports radioactive, hazardous, and non-hazardous materials.
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about
Packaging and Transportation
March 5, 2026
Soil & Groundwater Remediation
One of the largest groundwater and soil remediation efforts in the world.
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about
Soil & Groundwater Remediation
October 16, 2025
Highlights
1st Vitrified Tank Waste Disposed
Pivotal Milestone Met
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about 1st Vitrified Tank Waste Disposed
April 8, 2026
Partnership Ensures Affordable Energy, Powers AI Future at Portsmouth Site
Powers AI Data Center
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about Partnership Ensures Affordable Energy, Powers AI Future at Portsmouth Site
March 24, 2026
Waste Management Symposia
Tim Walsh's Bold New Vision for EM
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about Waste Management Symposia
March 17, 2026
Restart Uranium Recovery
Strengthening America’s Nuclear Energy Independence
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about Restart Uranium Recovery
February 4, 2026
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Cleanup Sites
The U.S. Department of Energy's Office of Environmental Management (EM) mission is to address the environmental legacy resulting from decades of nuclear weapons production and government-sponsored nuclear energy research. This legacy includes some of the world's most dangerous radioactive sites with large amounts of radioactive wastes, spent nuclear fuel, excess plutonium and uranium, thousands of contaminated facilities, and contaminated soil and groundwater. Explore the map below to learn more about the remaining cleanup sites across the country and the
Completed Cleanup Sites
webpage for a list of completions.
Latest News
Department of Energy Seeks to Partner with Private Sector for Used Nuclear Fuel Recycling
April 22, 2026
PPPO's Cylinder Management Helps Shape Nuclear Renaissance
April 21, 2026
Reducing Footprints, Increasing Opportunities at Savannah River Site
April 21, 2026
Supporting Future National Security Missions on Legacy Ground at Oak Ridge
April 21, 2026
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