The danger of nuclear terrorism is real enough to justify urgent action to reduce the risk. Some terrorist groups are actively seeking nuclear weapons and the materials to make them; it is plausible that a technically ...

At the first nuclear security summit in April 2010, the assembled leaders agreed on the goal of securing all vulnerable nuclear material worldwide within four years, including consolidating plutonium and highly enriched ...

The 1991 dissolution of the Soviet Union posed an unprecedented challenge: to keep tens of thousands of nuclear weapons, and enough highly enriched uranium (HEU) and separated plutonium to make tens of thousands more, out ...

The Obama administration has proposed steep cuts in funding for improving security for dangerous nuclear materials—cuts which, if approved, would slow progress toward preventing the essential ingredients of nuclear bombs ...

This report assesses the economics of reprocessing versus direct disposal of spent nuclear fuel. The breakeven uranium price at which reprocessing spent nuclear fuel from existing light-water reactors (LWRs) and recycling ...

Dramatic growth in nuclear energy would be required for nuclear power to provide a significant part of the carbon-free energy the world is likely to need in the 21st century, or a major part in meeting other energy challenges. ...