Inclusive climate change mitigation and food security policy under 1.5°C climate goal

15362 15 84602 2 237703 document 84602 Fujimori+et+al_2018_Environ._Res._Lett._10.1088_1748-9326_aad0f7.pdf application/pdf 4070699e39e81cbb34fea55c5716cf65 MD5 1306233 2018-07-09 06:12:49 https://pure.iiasa.ac.at/id/eprint/15362/1/Fujimori%2Bet%2Bal_2018_Environ._Res._Lett._10.1088_1748-9326_aad0f7.pdf 15362 1 1 application/pdf text en public cc_by_4

Fujimori+et+al_2018_Environ._Res._Lett._10.1088_1748-9326_aad0f7.pdf

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/84602 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/84602 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/84602 archive 353 disk0/00/01/53/62 2018-07-09 06:14:30 2021-08-27 17:30:32 2018-07-09 06:14:30 article show Fujimori S. 8258 0000-0001-7897-1796 Hasegawa T. 8463 Rogelj J. 8630 0000-0003-2056-9061 Su X. Havlik P. 1868 0000-0001-5551-5085 Krey V. 8099 0000-0003-0307-3515 Takahashi K. Riahi K. 1696 0000-0001-7193-3498 Inclusive climate change mitigation and food security policy under 1.5°C climate goal pub prog_ene prog_esm Climate change mitigation to limit warming to 1.5°C or well below 2°C, as suggested by the Paris Agreement, can rely on large-scale deployment of land-related measures (e.g., afforestation, or bioenergy production). This can increase food prices, and hence raises food security concerns. Here we show how an inclusive policy design can avoid these adverse side-effects. Food-security support through international aid, bioenergy tax, or domestic reallocation of income can shield impoverished and vulnerable people from the additional risk of hunger that would be caused by the economic effects of policies narrowly focussing on climate objectives only. In absence of such support, 35% more people might be at risk of hunger by 2050 (i.e. 84 million additional people) in a 2°C-consistent scenario. The additional global welfare changes due to inclusive climate policies are small (<0.1%) compared to the total climate mitigation cost (3.7% welfare loss), and the financial costs of international aid amount to about half a percent of high-income countries' GDP. This implies that climate policy should treat this issue carefully. Although there are challenges to implement food policies, options exist to avoid the food security concerns often linked to climate mitigation. 2018-07-04 published Institute of Physics Publishing (IOP) 10.1088/1748-9326/aad0f7 2881 1314 254 119 166 250 public Environmental Research Letters 13 7 e074033 TRUE 1748-9326 FALSE no info:eu-repo/semantics/article