In a statement to the conference, the leaders of five major U.S.-based organizations urged prompt action to make disarmament a global enterprise.
At the UN disarmament committee, nuclear-weapon states generally voted against resolutions aimed at speeding up progress toward the elimination of nuclear arms.
Russia did not attend a planning session held in Washington in late October for the 2016 nuclear security summit, casting doubt on its participation in the summit.
Iran and six world powers extended talks on a comprehensive nuclear deal for a second time after failing to reach an agreement last month.
In the early 1990s, Ukraine’s claim to rightful ownership of nuclear weapons that had been part of the Soviet arsenal became a bone of contention in the country’s relations with Russia and the United States.
The global nuclear disarmament and risk reduction enterprise is at yet another important crossroads. Nearly five years after the successful 2010 NPT Review Conference, follow-through on the consensus action plan, has been very disappointing.