SECOND STATE OF THE CARBON CYCLE REPORT

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Preface

Section I: Synthesis

Ch. 1: Overview of the Global Carbon Cycle

Ch. 2: The North American Carbon Budget

Section II: Human Dimensions of the Carbon Cycle

Ch. 3: Energy Systems

Ch. 4: Understanding Urban Carbon Fluxes

Ch. 5: Agriculture

Ch. 6: Social Science Perspectives on Carbon

Ch. 7: Tribal Lands

Section III: State of Air, Land, and Water

Ch. 8: Observations of Atmospheric Carbon Dioxide and Methane

Ch. 9: Forests

Ch. 10: Grasslands

Ch. 11: Arctic and Boreal Carbon

Ch. 12: Soils

Ch. 13: Terrestrial Wetlands

Ch. 14: Inland Waters

Ch. 15: Tidal Wetlands and Estuaries

Ch. 16: Coastal Oceans and Continental Shelves

Section IV: Consequences and Ways Forward

Ch. 17: Biogeochemical Effects of Rising Atmospheric Carbon Dioxide

Ch. 18: Carbon Cycle Science in Support of Decision Making

Ch. 19: Future of the North American Carbon Cycle

Appendices

Appendix A: Report Development Process

Appendix B: Information Quality in the Assessment

Appendix C: Selected Carbon Cycle Research Observations and Measurement Programs

Appendix D: Carbon Measurement Approaches and Accounting Frameworks

Appendix E: Fossil Fuel Emissions Estimates for North America

Appendix F: Acronyms, Abbreviations, and Units

Appendix G: Glossary

Errata

National Academy of Sciences (NAS) 2017 Review of the Fourth Order Draft of SOCCR2

Response to NAS Review Report from SOCCR2 Authors

Public Comments on Fourth Order Draft of SOCCR2 and Response from Authors