Despite the unparallelled danger that nuclear weapons pose to all humanity, they remain the only weapons of mass destruction not yet prohibited under international law. But that might soon change.

In February 2016, talks began at the United Nations in Geneva on developing a new legal instrument to advance a nuclear-weapon-free world. This groundbreaking diplomatic process will continue in May and August.

In this podcast, we report on the progress made so far. Which nations have been championing a ban? Which have been standing in the way? And would this new instrument bring about change even if nuclear-armed nations refuse to sign on?