Agricultural greenhouse gas mitigation potential globally, in Europe and in the UK: what have we learnt in the last 20 years?

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Agricultural lands occupy about 4050% of the Earth's land surface. Agricultural practices can make a significant contribution at low cost to increasing soil carbon sinks, reducing greenhouse gas (GHG) emissions and contributing biomass feedstocks for energy use. Considering all gases, the global technical mitigation potential from agriculture (excluding fossil fuel offsets from biomass) by 2030 is estimated to be ca. 55006000 Mt CO2-eq. yr(-1). Economic potentials are estimated to be 15001600, 25002700 and 40004300 Mt CO2-eq. yr(-1) at carbon prices of up to $US20, 50 and 100tCO(2)-eq. yr(-1), respectively. The value of the global agricultural GHG mitigation at the same three carbon prices is $US32000, 130000 and 420000 millionyr-1, respectively. At the European level, early estimates of soil carbon sequestration potential in croplands were ca. 200 Mt CO2 yr(-1), but this is a technical potential and is for geographical Europe as far east as the Urals. The economic potential is much smaller, with more recent estimates for the EU27 suggesting a maximum potential of ca. 20Mt CO2-eq. yr(-1). The UK is small in global terms, but a large part of its land area (11Mha) is used for agriculture. Agriculture accounts for about 7% of total UK GHG emissions. The mitigation potential of UK agriculture is estimated to be ca. 12MtCO(2)-eq. yr(-1), accounting for less than 1% of UK total GHG emissions.

Original languageEnglish
Pages (from-to)35-43
Number of pages9
JournalGlobal Change Biology
Issue number1
Early online date7 Sept 2011
Publication statusPublished - Jan 2012


  • agriculture
  • climate change
  • Europe
  • global
  • greenhouse gas
  • mitigation
  • UK
  • land-use change
  • carbon mitigation
  • climate-change
  • sequestration
  • emissions
  • soils
  • croplands
  • forestry
  • fluxes


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