[…] Notwithstanding the non-participation of the nuclear-weapons-possessing states, the states negotiating the TPNW have expressed the view that the possession and potential use of nuclear weapons is an existential threat to humanity, and one that cannot be ignored simply because the few states that possess nuclear weapons are not yet ready to take meaningful steps to disarm themselves. They also see the TPNW as an important normative statement, by a supermajority of the states in the world, that the development, possession and use of nuclear weapons is immoral and must be prohibited, just as other weapons of mass destruction including chemical and biological weapons have been the subject of comprehensive prohibition treaties. And some states have expressed hope that this normative statement might contribute to the development of parallel customary international law. Läs artikel