GC52A:
Carbon Budgets for Ambitious Climate Goals and the Role of Large-Scale Carbon Negative Bioenergy/Carbon Removal in Meeting Them I

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Session ID#: 32439

Session Description:
It has long been known that all-time cumulative emissions of carbon dioxide are the primary driver of long-term climate change. However, uncertainty persists over the allowable remaining cumulative emissions consistent with limiting warming to levels compatible with the goals of the Paris Agreement, particularly when temporary overshoots in warming, uncertainty in future non-CO2 climate forcing and negative emissions technologies are considered. Meeting potentially small remaining carbon budgets, as well as dealing with uncertainty in their magnitude, poses substantial policy challenges due to socio-economic inertia in the rate at which future emissions trajectories can be adjusted. This session presents contributions focused on our physical understanding of the remaining carbon budget for meeting ambitious climate goals, economic, technological and policy implications of meeting such ambitious carbon budgets, and interdisciplinary assessments of this inherrently multi-disciplinary issue.
Primary Convener:  John Field, Colorado State University, Natural Resource Ecology Laboratory, Fort Collins, CO, United States
Conveners:  Richard Millar, University of Exeter, Exeter, EX4, United Kingdom; University of Oxford, Oxford, United Kingdom, Kirsten Zickfeld, Simon Fraser University, Geography, Burnaby, BC, Canada and Tom L Richard, Pennsylvania State University Main Campus, University Park, PA, United States
Chairs:  John Field, Colorado State University, Natural Resource Ecology Laboratory, Fort Collins, CO, United States, Kirsten Zickfeld, Simon Fraser University, Geography, Burnaby, BC, Canada and Richard Millar, University of Exeter, Exeter, EX4, United Kingdom
OSPA Liaison:  John Field, Colorado State University, Natural Resource Ecology Laboratory, Fort Collins, CO, United States
Index Terms:

0428 Carbon cycling [BIOGEOSCIENCES]
0498 General or miscellaneous [BIOGEOSCIENCES]
1699 General or miscellaneous [GLOBAL CHANGE]
6349 General or miscellaneous [POLICY SCIENCES]

Abstracts Submitted to this Session:

Effect of Carbon-Cycle Uncertainty on Estimates of the 1.5oC Carbon Budget (210079)
Nadine Mengis1, Jonathan Jalbert2, Antti-Ilari Partanen1 and Damon Matthews1, (1)Concordia University, Department of Geography, Planning and Environment, Montreal, QC, Canada, (2)Polytechnique Montréal, Mathematical and Industrial Engineering, Montreal, Canada
Methane mitigation shows significant benefits towards achieving the 1.5 degree target. (209342)
William Collins, University of Reading, Reading, United Kingdom, Christopher Webber, University of Reading, Meteorology, Reading, United Kingdom, Peter Michael Cox, University of Exeter, Exeter, United Kingdom, Chris Huntingford, Centre for Ecology and Hydrology, Wallingford, United Kingdom, Jason A. Lowe, Met Office, Exeter, United Kingdom and Stephen Sitch, University of Exeter, Faculty of Environment, Science and Economy, Exeter, United Kingdom
Rightsizing expectations for carbon dioxide removal towards ambitious climate goals (Invited) (220353)
Katharine J Mach, Carnegie Institution for Science Stanford, Stanford, CA, United States; Stanford University, Earth System Science, Stanford, CA, United States and Christopher B Field, Stanford University, Stanford Woods Institute for the Environment, Stanford, CA, United States
Global potential for and limits to widespread implementation of bioenergy with carbon capture and storage (BECCS) (Invited) (211581)
Pete Smith, University of Aberdeen, Institute of Biological and Environmental Sciences, Aberdeen, United Kingdom
Negative Emissions: Where Will the Carbon Come From? (Invited) (232863)
Roger D Aines and Sean T McCoy, Lawrence Livermore National Laboratory, Livermore, CA, United States
An evaluation of negative-emission transportation-energy systems for the US (258699)
Eric D. Larson and Johannes C. Meerman, Princeton University, Andlinger Center for Energy and the Environment, Princeton, NJ, United States
Geospatial Analysis of Near-Term Technical Potential of BECCS in the U.S. (244379)
Ejeong Baik1, Daniel Sanchez2, Peter A Turner2, Katharine J Mach3, Christopher B Field4 and Sally M Benson5, (1)Stanford University, Energy Resources Engineering, Stanford, CA, United States, (2)Carnegie Institution for Science Stanford, Stanford, CA, United States, (3)Stanford University, Stanford Environment Assessment Facility, Stanford, CA, United States, (4)Stanford University, Stanford Woods Institute for the Environment, Stanford, United States, (5)Stanford University, Energy Science and Engineering, Stanford, United States

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