Front Matter -- Contents -- EXECUTIVE SUMMARY -- 1 INTRODUCTION -- 2 CLOUD, WATER VAPOR, AND LAPSE RATE FEEDBACKS -- 3 SEA-ICE FEEDBACKS -- 4 OCEAN HEAT UPTAKE AND OCEAN CIRCULATION FEEDBACKS -- 5 TERRESTRIAL HYDROLOGY AND VEGETATION FEEDBACKS -- 6 ATMOSPHERIC CHEMICAL FEEDBACKS -- 7 BIOGEOCHEMICAL FEEDBACKS AND THE CARBON CYCLE -- 8 MODES OF VARIABILITY -- 9 RECOMMENDATIONS -- REFERENCES -- APPENDIXES -- A Climate Change Feedbacks Workshop -- B Biographical Sketches of Panel Members -- C Acronyms.