Managing the world’s largest nuclear waste cleanup

Profile of Inés R. Triay, Assistant Secretary, Environmental Management at the U.S. Department of Energy

During the Cold War, the U.S. nuclear stockpile reached more than 30,000 nuclear weapons. Research and production of these weapons resulted in large volumes of nuclear waste—some of the most dangerous materials known to mankind—posing significant environmental risks and challenges. “The U.S. Department of Energy has under its purview the Environmental Management program, which is responsible for cleaning up the legacy of the Cold War,” says Dr.