Report

A 21st-century shift from fossil-fuel to biogenic methane emissions indicated by 13CH4

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Science  01 Apr 2016:
Vol. 352, Issue 6281, pp. 80-84
DOI: 10.1126/science.aad2705

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  • RE: shift from fossil-fuel to biogenic methane emissions
    • Prabir K. Patra, Senior Scientist, Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

    We have recently conducted an inverse modelling study and found that both the anthropogenic/thermogenic emissions and biogenic (mainly from animal farming) has cause the CH4 rise since 2006. More information are available here:
    http://jmsj.metsoc.jp/GA/JMSJ2016-006.html
    http://www.jamstec.go.jp/e/about/press_release/20160201

    I am happy to see that two independent research arrived somewhat in similar conclusions regarding the importance of agriculture on reduction of CH4 emission. But further attribution is needed for source types and source regions for making specific mitigation policy.

    Competing Interests: None declared.