Reducing emissions from agriculture to meet the 2 °C target

Eva Wollenberg*, Meryl Richards, Pete Smith, Petr Havlík, Michael Obersteiner, Francesco N. Tubiello, Martin Herold, Pierre Gerber, Sarah Carter, Andrew Reisinger, Detlef P. van Vuuren, Amy Dickie, Henry Neufeldt, Björn O. Sander, Reiner Wassmann, Rolf Sommer, James E. Amonette, Alessandra Falcucci, Mario Herrero, Carolyn OpioRosa Maria Roman-Cuesta, Elke Stehfest, Henk Westhoek, Ivan Ortiz-Monasterio, Tek Sapkota, Mariana C. Rufino, Philip K. Thornton, Louis Verchot, Paul C. West, Jean François Soussana, Tobias Baedeker, Marc Sadler, Sonja Vermeulen, Bruce M. Campbell

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

More than 100 countries pledged to reduce agricultural greenhouse gas (GHG) emissions in the 2015 Paris Agreement of the United Nations Framework Convention on Climate Change. Yet technical information about how much mitigation is needed in the sector vs. how much is feasible remains poor. We identify a preliminary global target for reducing emissions from agriculture of ~1 GtCO2e yr−1 by 2030 to limit warming in 2100 to 2 °C above pre-industrial levels. Yet plausible agricultural development pathways with mitigation cobenefits deliver only 21–40% of needed mitigation. The target indicates that more transformative technical and policy options will be needed, such as methane inhibitors and finance for new practices. A more comprehensive target for the 2 °C limit should be developed to include soil carbon and agriculture-related mitigation options. Excluding agricultural emissions from mitigation targets and plans will increase the cost of mitigation in other sectors or reduce the feasibility of meeting the 2 °C limit.

Original languageEnglish
Pages (from-to)3859-3864
Number of pages6
JournalGlobal Change Biology
Volume22
Issue number12
DOIs
Publication statusPublished - 1 Dec 2016

Keywords

  • agriculture
  • climate change
  • integrated assessment modeling
  • mitigation
  • policy
  • target
  • United Nations Framework Convention on Climate Change

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