Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5°C target by 2030 but not 2050
Arndt, Claudia | Hristov, Alexander N. | Price, W.J. | McClelland, S.C. | Pelaez, A.M. | Cueva, S.F. | Oh, J. | Dijkstra, J. | Bannink, André | Bayat, A.R. | Crompton, L.A. | Eugène, M.A. | Enahoro, Dolapo K. | Kebreab, Ermias | Kreuzer, M. | McGee, M. | Martin, C. | Newbold, C.J. | Reynolds, C.K. | Schwarm, A. | Shingfield, K.J. | Veneman, J.B. | Yáñez-Ruiz, D.R. | Zhongtang Yu
Agricultural methane emissions must be decreased by 11 to 30% of the 2010 level by 2030 and by 24 to 47% by 2050 to meet the 1.5 °C target. We identified three strategies to decrease product-based methane emissions while increasing animal productivity and five strategies to decrease absolute methane emissions without reducing animal productivity. Globally, 100% adoption of the most effective product-based and absolute methane emission mitigation strategy can meet the 1.5 °C target by 2030 but not 2050, because mitigation effects are offset by projected increases in methane. On a regional level, Europe but not Africa may be able to meet their contribution to the 1.5 °C target, highlighting the different challenges faced by high- and middle- and low-income countries.
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Эту запись предоставил International Livestock Research Institute