A comprehensive treatment of nuclear weapons under key international law regimes.Nuclear Weapons under International Law is a comprehensive assessment of nuclear weapons under current international law. It is the first book to critically review developments in international law governing the use of force and international humanitarian, human rights, disarmament, and environmental law with regard to nuclear weapons.Nuclear Weapons under International Law is a comprehensive assessment of nuclear weapons under current international law. It is the first book to critically review developments in international law governing the use of force and international humanitarian, human rights, disarmament, and environmental law with regard to nuclear weapons.Nuclear Weapons under International Law is a comprehensive treatment of nuclear weapons under key international law regimes. It critically reviews international law governing nuclear weapons with regard to the inter-state use of force, international humanitarian law, human rights law, disarmament law, and environmental law, and discusses where relevant the International Court of Justice's 1996 Advisory Opinion. Unique in its approach, it draws upon contributions from expert legal scholars and international law practitioners who have worked with conventional and non-conventional arms control and disarmament issues. As a result, this book embraces academic consideration of legal questions within the context of broader political debates about the status of nuclear weapons under international law.List of contributors; Foreword Charles Garraway; Editors' preface; Disclaimer; Introduction Gro Nystuen and Stuart Casey-Maslen; Part I. Nuclear Weapons and Jus Ad Bellum: 1. Using force by means of nuclear weapons and requirements of necessity and proportionality ad bellum Nobuo Hayashi; 2. Legality under jus ad bellum of the threat of use of nuclear weapons Nobuo Hayashi; 3. Nuclear weapons and the separation of jus ad bellum and jus ilc”