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Abstract

Agricultural emissions account for 53% of 2010 global non-CO2 emissions and are projected to increase substantially in the future, especially in Asia, Latin America and Africa. While agriculture is a substantial source of emissions, it is also a potential source of cost-effective non-CO2 GHG abatement. Previous “bottom-up” analyses provided marginal abatement cost (MAC) curves for use in modeling these options within economy-wide and global mitigation analyses. In this study, we utilize updated economic and biophysical data and models to extend and improve upon previous work. Key enhancements include incorporation of additional mitigation options, updated baseline emissions projections, greater spatial disaggregation, and development of MAC curves to 2030. MAC curves are generated accounting for net GHG reductions, yield effects, livestock productivity effects, commodity prices, labor requirements, and capital costs where appropriate. MAC curves are developed at the country level and reveal large potential for non-CO2 GHG mitigation at low carbon prices.

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