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The cumulative impact of the nuclear developments that occurred in 2012, from the disaster in Fukushima to Iran's continuing nuclear program, will make the world's nuclear future more uncertain.
Tensions between Iran and the international community continue to rise over the country's nuclear program. Leaders on both sides should take appropriate steps to deescalate the crisis and set the stage for reengagement after the U.S. presidential election.
In years ahead, the Nuclear Suppliers Group will be challenged by a massive global trade increase in unlisted goods. That means that effective application of catch-all controls will be absolutely critical to halt proliferation.
With the second Nuclear Security Summit fast approaching, it is a good moment to reflect on the issue of radiological security.
While security conditions in Europe remain relatively benign, NATO states should recapitalize their security commitments and clarify their crisis decisionmaking procedures.
Differing views between Russia and NATO on issues such as missile defense and Georgian membership in NATO should not inhibit cooperation on steps toward further nuclear disarmament and nonproliferation.
The Nuclear Suppliers Group faces a host of challenges ranging from questions about its credibility and future membership to its relationship to the Nuclear Non-Proliferation Treaty and other multilateral arrangements.
On its twentieth anniversary, the Nunn-Lugar Cooperative Threat Reduction Program remains an important tool for international cooperation to reduce nuclear dangers, but there remain some tough questions about the continued viability of the model.
The lack of a roadmap to resolve the Iran nuclear crisis may stem from the possibility that none of the players involved, including the United States, Russia, China, Iran, and Israel, have a real interest in achieving a negotiated settlement.
Turmoil in Arab states and the U.S. nuclear weapons agenda constitute some of the most important developments in the international security environment since 2008, and both have serious implications for global security over the next decade.