This open-access volume consists of papers presented at the conference “Thirty Years of the Chemical Weapons Convention (CWC): Histories, Achievements, Challenges”, held in Berlin, 5–6 October 2023, as well as of additional contributions.

The volume’s twenty-two individual chapters reflect on the history and achievements of the CWC over the past thirty years and explore existing and future challenges as the world realigns itself with a new geopolitical and security environment amid ongoing conflicts in volatile regions such as Eastern Europe and the Middle East.

Highlights of the volume include:

• Contributions by government officials, renowned scholars, and esteemed members of civil society. • A keynote address by the former Director General of the implementing agency of the CWC, the Organization for the Prohibition of Chemical Weapons (OPCW), providing insights into the treaty’s evolution. • A section examining the potential of the CWC as a model for the abolition of nuclear weapons.