Nuclear disarmament: 50 years since landmark global deal

The Nuclear Non-Proliferation Treaty was created 50 years ago and by many measures, it has been a success, but experts warn efforts towards nuclear disarmament are slowing.

It has been 50 years since world powers reached a landmark deal to bring an end to the nuclear arms race.

The Nuclear Non-Proliferation Treaty was designed to stop the spread of nuclear weapons and, in time, eliminate them completely.

But some experts warn the danger of nuclear war is greater now than it has been in decades.

Al Jazeera’s Mereana Hond reports.