Office of Environmental Management Historical Timelines
EM Milestones during the tenure of Secretary Jennifer M. Granholm (February 2021-Present)
Learn more
EM Milestones during the tenure of Secretary Dan Brouillette (December 2019-Present)
Learn more
EM Milestones from the tenure of Secretary Rick Perry (January 2017 - December 2019)
Learn more
EM Milestones from the tenure of Secretary Ernest Moniz II (August 2015-January 2017)
Learn more
EM Milestones from the tenure of Secretary Ernest Moniz I (May 2013-July 2015).
Learn more
EM Milestones during the tenure of Secretary Steven Chu (January 2009-April 2013).
Learn more
EM Milestones during the tenure of Secretary Samuel W. Bodman (February 2005-January 2009).
Learn more
EM Milestones under the tenure of Secretary Spencer Abraham (January 2001-January 2005).
Learn more
EM Milestones during the tenure of Secretary Bill Richardson (1998-2001).
Learn more
EM Milestones from the tenure of Secretary Federico Peña (March 1997-June 1998).
Learn more
EM Milestones during tenure of Secretary Hazel R. O'Leary Administration (January 1993-January 1997)
Learn more
EM Milestones from Early Environmental Management History (1989-1992)
Learn more
EM Milestones from Formation to Early EM History (1977-1988)
Learn more
EM Milestones from Manhattan Project to Department of Energy Formation (1939-1977)
Learn more
The Office of Environmental Management Story
Video courtesy of the Department of Energy
The U.S. Department of Energy's Office of Environmental Management's (EM) mission is to address the legacy resulting from the decades of nuclear weapons production and government-sponsored nuclear energy research, including at many sites involved in the once-secret Manhattan Project. Click the link above or here to learn more.
Additional Information
- The Steps of Weapons Production
- Nuclear Rocket Development Station at the Nevada Test Site
- Managing America's Defense Nuclear Waste
- Savannah River Technology Center (SRTC) Designated as a National Laboratory
- A Review of the Environmental Management Program (presented by the Top-to-Bottom Review Team)
- Status Report on Paths to Closure
- Linking Legacies: Connecting the Cold War Nuclear Weapons Production Processes to Their Environmental Consequences
- Baseline Environmental Management Report (BEMR) in 1996
- Closing the Circle on the Splitting of the Atom
- The Keystone Dialogue
- Baseline Environmental Management Report (BEMR) in 1995
- Establishment of the Office of Environmental Restoration and Waste Management
- Evolution and History of the Department of Energy and the Office of Environmental Management
The EM origin story begins with Robert Oppenheimer and the birth of the Manhattan Project. But how solid is your knowledge of the Manhattan Project? Let's find out!