Food systems emission and climate change consequences

Demenois Julien, Chaboud Géraldine, Blanfort Vincent. 2019. Food systems emission and climate change consequences. In : Food systems at risk. New trends and challenges. Dury Sandrine (ed.), Bendjebbar Pauline (ed), Hainzelin Etienne (ed.), Giordano Thierry (ed.), Bricas Nicolas (ed.). Rome : CIRAD-FAO, pp. 35-37. ISBN 978-2-87614-751-5

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Published version - Anglais
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Additional Information : ISBN 978-92-5-131732-7 (FAO)

Abstract : Food systems are responsible for up to one-third of anthropogenic greenhouse gas (GHG) emissions. These emissions include carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) and are therefore a major driver of climate change. The environmental pressures on food systems are likely to intensify, as humanity is arguably already operating beyond planetary boundaries. The projection for changes between 2010 and 2050 shows that these pressures will result in an increase of between 80 and 92 percent in GHG emissions in the absence of technological change and other mitigation measures. Apart from being a significant source of GHG emissions, food systems are significantly impacted by climate change. Uneven climate change effects, in combination with differences in adaptation capacity, could exacerbate existing inequalities between High-Income (HI), Low-Income (LI) and Lower Middle-Income (LMI) countries.

Mots-clés Agrovoc : Système de production, Production alimentaire, Gaz à effet de serre, Changement climatique, Pollution par l'agriculture

Mots-clés géographiques Agrovoc : Monde

Classification Agris : S01 - Human nutrition - General aspects
P40 - Meteorology and climatology
F08 - Cropping patterns and systems
P02 - Pollution

Auteurs et affiliations

  • Demenois Julien, CIRAD-PERSYST-UPR AIDA (FRA) ORCID: 0000-0002-2271-8465
  • Chaboud Géraldine, Montpellier SupAgro (FRA)
  • Blanfort Vincent, CIRAD-ES-UMR SELMET (FRA)

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Source : Cirad-Agritrop (

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