Front Matter -- Preface -- Acknowledgments -- Contents -- Executive Summary -- 1 Introduction to Abrupt Changes in the Earth's Climate -- 2 Evidence of Abrupt Climate Change -- 3 Processes That Cause Abrupt Climate Change -- 4 Global Warming as a Possible Trigger for Abrupt Climate Change -- 5 Economic and Ecological Impacts of Abrupt Climate Change -- 6 Findings and Recommendations -- References -- A Committee and Staff Biographies -- B Board Rosters -- C Workshop Agenda -- D Workshop Participants -- E Impacts Workshop Program -- F Impacts Workshop Participants -- G Acronym List -- Index.