Things you should know

Long-Term Management of Nuclear Waste and Plutonium-239 (Pu-239) Latest Update: 24 February 2025 1. 240,000 Years—A Legacy We Cannot Ignore Plutonium-239 (Pu-239) is an exceptionally dangerous radioactive substance produced during nuclear fission reactions. Its half-life is approximately 24,000 years, meaning that it will take […]