A Brookings Institution Press Chatham House and Clingendael Institute publicationAdopted in April 2004 UN Security Council Resolution 1540 obliges all states to take steps to prevent nonstate actors especially terrorist organizations and arms traffickers from acquiring weapons of mass destruction and related materials. The United Nations placed itself firmly in the center of one of the worldampaposs key international security challenges.Global NonProliferation and CounterTerrorism brings together renowned scholars and policymakers to examine a wide range of new policyrelated questions arising from the resolutionampaposs impact on the bioscientific community the Chemical Weapons Convention the IAEA trade and customs and counterproliferation initiatives such as the Proliferation Security Initiative PSI.The impact of 1540 goes beyond setting new legal requirements. It focuses on enforcement not only nationally but also internationally pressing all states to place their own houses in order. Among the key questions is how the resolution will change the existing network of nonproliferation regimes. Will it merely reinforce requirements of the existing nonproliferation treaties Or will it offer a legal framework for counterproliferation activities and other measures to enforce the nonproliferation networkThis book provides an overview of the novel policy questions UNSCR 1540ampaposs future implementation and enforcement will offer for years to come.Contributors include Jeffrey Almond Thomas J. Biersteker Brown University Olivia Bosch Chatham House Gerald Epstein CSIS Chandramp233eacute Gould Center for Conflict Resolution Cape Town Ron Manley former OPCW Director of Verification Sarah Meek ISS Siew Gay Ong Ministry of Foreign Affairs Singapore Elizabeth Prescott AAAS Congressional Fellow Tariq Rauf IAEA Will Robinson World Customs Organization Roelof Jan Manschot Eurojust Peter van Ham Netherlands Institute of International Relations Ted Whiteside NATO and Angela Woodward