Organic farming offers promising mitigation potential in dairy systems without compromising economic performances
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15 mai 2023
- handle: 10670/1.83kq8p
- hal: hal-03995376
- doi: 10.1016/j.jenvman.2023.117405
- PUBMED: 36796194
- WOS: 000939878800001
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info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jenvman.2023.117405
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info:eu-repo/semantics/altIdentifier/pmid/36796194
info:eu-repo/semantics/OpenAccess
Mots-clés
organic farming greenhouse gas emissions gross margin dairy farms land use changes Green DealSujets proches
Dairies Dairy Dairies Dairy products plants DairyCiter ce document
Mathieu Lambotte et al., « Organic farming offers promising mitigation potential in dairy systems without compromising economic performances », HAL-SHS : économie et finance, ID : 10.1016/j.jenvman.2023.117405
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Résumé
There is a lack of clear empirical evidence towards the lower carbon footprint of organic food products, in particular in the dairy sector. Until now, small sample sizes, lack of properly defined counterfactual and the omission of land-use related emissions have hindered comparisons of organic and conventional products. Here we bridge these gaps by mobilizing a uniquely large dataset of 3,074 French dairy farms. Using propensity score weighting, we find that the carbon footprint of organic milk is 19% (95%CI = [10%-28%]) lower than its conventional counterpart without indirect land-use change and 11% (95%CI = [5%-17%]) lower with indirect land use changes. In both production systems, farms' profitability is similar. We simulate the consequences of the Green deal target of 25% of agricultural land devoted to organic dairy farming and show that this policy would reduce the greenhouse gas emissions of the French dairy sector by 9.01 to 9.64%.