Global Zero | 1,403 followers on LinkedIn. A world without nuclear weapons | Global Zero is the international movement for a world without nuclear weapons. Powered by a group of 300 eminent world leaders, a high-impact grassroots action corps and hundreds of thousands of members online, we’re challenging the 20th century idea of basing security on threats of mass destruction. We leverage cutting-edge policy analysis, grassroots mobilization, sophisticated media outreach and direct dialogue with governments to make the elimination of nuclear weapons an urgent global imperative.