The Second Meeting of States Parties to the TPNW: A Summary Report
Special Reports

The Second Meeting of States Parties to the TPNW: A Summary Report

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In this report, Marianne Hanson provides a comprehensive summary of the Second Meeting of States Parties to the Treaty on the Prohibition of Nuclear Weapons (TPNW2MSP), held at the United Nations Headquarters in New York from November 27 to December 1, 2023. The report delves into the reported findings and proposed new areas of work by states and Working Groups during the 2MSP, with a specific focus on affected communities, nuclear risks, and the concept of nuclear deterrence. It also underscores the achievements and challenges of the 2MSP, acknowledging that despite their limitations, the Meetings of States Parties to the TPNW are the sole significant forum for addressing nuclear weapons in a productive manner, and that these meetings should not be dismissed lightly.

This report was produced as part of a project on Nuclear Disarmament and the Anthropocene: Voices from Pacific Island Countries, sponsored by Ploughshares Fund.

About the Author

Marianne Hanson gained her Masters and Doctoral degrees from Oxford University, and has subsequently taught international relations at Oxford University and the University of Queensland, Australia. Her most recent book is Challenging Nuclearism: a humanitarian framework to reshape the global nuclear order, Manchester University Press, 2022. She is a member of the Asia-Pacific Leadership Network.

Disclaimer: The opinions articulated above represent the views of the author(s) and do not necessarily reflect the position of the Asia-Pacific Leadership Network or any of its members. The APLN’s website is a source of authoritative research and analysis and serves as a platform for debate and discussion among our senior network members, experts and practitioners, as well as the next generation of policymakers, analysts and advocates. Comments and responses can be emailed to

Image: ICAN, Darren Ornitz