World on the cusp of a new nuclear arms race, says SIPRI

The US Air Force's B-21 Raider is a long-range stealth bomber that can be armed with nuclear weapons [File: David Swanson/Reuters]

The world is becoming more unstable, and the likelihood that nuclear weapons may one day be used is increasing, despite the wishes of humanity.

That is the broad conclusion of the Stockholm International Peace Research Institute’s (SIPRI) Yearbook, published on Monday.