A broad-sweeping look at international efforts to combat nuclear nonproliferation. This is part of the Global Governance Monitor, an interactive feature tracking multilateral approaches to several global challenges.

An interactive multimedia feature that maps out and evaluates multilateral efforts to address some of the most difficult international issues.

The nuclear nonproliferation regime has had difficulty dealing with noncompliance and preventing the illicit use of dual-use materials. A strengthened Proliferation Security Initiative can help prevent proliferation and mobilize international action.

This International Institutions and Global Governance program Working Paper argues that current U.S. political will to reduce nuclear dangers should be channeled into a practical set of control measures that are more likely to secure bipartisan support and can begin to be implemented without the legal consent of other states.

Violations of the Nuclear Nonproliferation Treaty by Iran and North Korea threaten to undermine the legitimacy of the nonproliferation regime. Paul Lettow proposes a comprehensive agenda for improvements, including tougher sanctions against transgressors, a criteria-based system to limit the spread of enrichment and processing technologies, and expansion of International Atomic Energy Agency authority.

This International Institutions and Global Governance program Working Paper offers suggestions to strengthen the nuclear security regime and achieve the four-year goal set by President Obama to secure all vulnerable nuclear materials around the world.