International Day against Nuclear Tests

In an era of heightened nuclear risk, youth engagement is essential to shaping the future of global disarmament. With the support of the Government of Japan, the United Nations Office for Disarmament Affairs (UNODA), through the Youth Leader Fund for a World without Nuclear Weapons (YLF), empowers emerging leaders to engage meaningfully in disarmament policymaking and education. At the 2026 Review Conference, selected YLF participants and alumni will take part in a dedicated side event to present projects inspired by the YLF programme - building on the momentum of the DeclarACTION adopted at the inaugural Youth Leader Conference in Hiroshima in August 2024. The event will showcase the advocacy, ideas, and tangible impact of YLF alumni; foster intergenerational dialogue between youth and high-level stakeholders; promote collaboration on nuclear disarmament policy and education; and highlight the importance of youth inclusion in advancing disarmament and SDG 16, while amplifying the vis...

  Nuclear testing harms the environment , undermines economic development, and has devastating effects on people’s lives and health . It is a relic of another age that has no place in the 21st century. “ My message to leaders is simple: stop playing with fire. Now is the time to silence the bombs before they speak again, ” said UN Secretary-General ‌António Guterres on Friday's August 29th ,observance of the  International Day against Nuclear Tests .