As long as some of us choose to rely on nuclear weapons, we continue to risk that these same weapons will become increasingly attractive to others. I have no doubt that, if we hope to escape self-destruction, then nuclear weapons should have no place in our collective conscience, and no role in our security. To that end, we must ensure - absolutely - that no more countries acquire these deadly weapons. We must see to it that nuclear-weapon states take concrete steps towards nuclear disarmament. And we must put in place a security system that does not rely on nuclear deterrence.

There are three main features to this changing landscape: the emergence of an extensive black market in nuclear material and equipment; the proliferation of nu…

Are these goals realistic and within reach? I do believe they are. But then three steps are urgently required. First, keep nuclear and radiological material ou…

Consider also our approach to the sanctity and value of human life. In the aftermath of the September 2001 terrorist attacks in the United States, we all griev…

Are these goals realistic and within reach? I do believe they are. But then three steps are urgently required. First, keep nuclear and radiological material ou…

A good start would be if the nuclear-weapon states reduced the strategic role given to these weapons. More than 15 years after the end of the Cold War, it is i…

The Soviet Union has long been proposing to outlaw chemical weapons, to remove them from the arsenals of states. We are prepared for resolution of this problem…