The Nuclear Notebook is researched and written by Hans M. Kristensen, director of the Information Project with Federation American Scientists, Matt Korda, a senior research associate project. column has been published in Bulletin Atomic Scientists since 1987. This issue examines status US nuclear arsenal. arsenal remained roughly unchanged last year, Defense Department maintaining an estimated ...

The debate over the past five years on how to limit national ownership and control of nuclear fuel-cycle facilities is largely a response to the perceived risk of a growing number of countries to acquire these sensitive technologies. This prospect is seen as a challenge to the nonproliferation regime by leading nuclear weapon states and their allies, by non-weapon states seeking both to stem pr...

Abolishing the threat of nuclear war requires the outlawing of nuclear weapons and dismantling current nuclear weapon stockpiles, but also depends on eliminating access to fissile material (nuclear weapon fuel). The near-universal use of weapons-grade, highly enriched uranium (HEU) to produce radiopharmaceuticals is a significant proliferation hazard. Health professionals have a strategic oppor...

Nuclear hazards, linked to both U.S. weapons programs and civilian nuclear power, pose substantial environment justice issues. Nuclear power plant (NPP) reactors produce low-level ionizing radiation, high level nuclear waste, and are subject to catastrophic contamination events. Justice concerns include plant locations and the large potentially exposed populations, as well as issues in siting, ...