Thirty-five countries pledged Tuesday to turn international guidelines on nuclear security into national laws, including France, Britain, Canada and Israel. This move is aimed at preventing terrorists from acquiring nuclear material. The initiative also commits countries to open up their security procedures to independent review – a further step toward creating an international legal framework to mitigate risks of nuclear terrorism.

Every commercial nuclear reactor in the U.S. is insufficiently protected against "credible" terrorist attacks, according to a Nuclear Proliferation Prevention Project report.