Preface -- Contents -- Summary -- 1 The Need for Climate-Related Decision Support -- 2 Effective Decision Support: Definitions, Principles, and Implementation -- 3 Decision Support and Learning -- 4 Information Needs for Decision Support -- 5 A National Initiative for Decision Support -- References -- Appendix A: Climate Change and the New York Metropolitan Region -- Appendix B: Biographical Sketches of Panel Members and Staff -- Appendix C: Workshop Participants.