Combining mitigation strategies to increase co-benefits for biodiversity and food security

World agriculture needs to find the right balance to cope with the trilemma between feeding a growing population, reducing its impact on biodiversity and minimizing greenhouse gas (GHG) emissions. In this paper, we evaluate a broad range of scenarios that achieve 4.3 GtCO2,eq /year GHG mitigation in the Agriculture, Forestry and Other Land-Use (AFOLU) sector by 2100. Scenarios include varying mixes of three GHG mitigation policies: second-generation biofuel production, dietary change and reforestation of pasture. We find that focusing mitigation on a single policy can lead to positive results for a single indicator of food security or biodiversity conservation, but with significant negative side effects on others. A balanced portfolio of all three mitigation policies, while not optimal for any single criterion, minimizes trade-offs by avoiding large negative effects on food security and biodiversity conservation. At the regional scale, the trade-off seen globally between biodiversity and food security is nuanced by different regional contexts.

Bibliographic Details

Main Authors:	Prudhomme, Rémi, de Palma, Adriana, Dumas, Patrice, Gonzalez, Ricardo, Leadley, Paul, Levrel, Harold, Purvis, Andy, Brunelle, Thierry
Format:	article biblioteca
Language:	eng
Subjects:	P40 - Météorologie et climatologie, P01 - Conservation de la nature et ressources foncières, E10 - Économie et politique agricoles, sécurité alimentaire, biodiversité, atténuation des effets du changement climatique, gaz à effet de serre, réduction des émissions, utilisation des terres, politique de l'environnement, conservation de la diversité biologique, stratégie pour faire face à une crise, émissions de gaz à effet de serre, http://aims.fao.org/aos/agrovoc/c_10967, http://aims.fao.org/aos/agrovoc/c_33949, http://aims.fao.org/aos/agrovoc/c_1374571087594, http://aims.fao.org/aos/agrovoc/c_34841, http://aims.fao.org/aos/agrovoc/c_331597, http://aims.fao.org/aos/agrovoc/c_4182, http://aims.fao.org/aos/agrovoc/c_2597, http://aims.fao.org/aos/agrovoc/c_33955, http://aims.fao.org/aos/agrovoc/c_f7582f37, http://aims.fao.org/aos/agrovoc/c_36198c2c,
Online Access:	http://agritrop.cirad.fr/596395/ http://agritrop.cirad.fr/596395/7/596395.pdf
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