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Assessing the impacts of technological change on food security and climate change mitigation in China’s agriculture and land-use sectors

Urheber*innen
/persons/resource/xiaoxi.wang

Wang,  Xiaoxi
Potsdam Institute for Climate Impact Research;

Du,  Ruiying
External Organizations;

Cai,  Hao
External Organizations;

Lin,  Bin
External Organizations;

/persons/resource/Jan.Dietrich

Dietrich,  Jan Philipp
Potsdam Institute for Climate Impact Research;

/persons/resource/stevanovic

Stevanović,  Miodrag
Potsdam Institute for Climate Impact Research;

/persons/resource/Lotze-Campen

Lotze-Campen,  Hermann
Potsdam Institute for Climate Impact Research;

/persons/resource/Alexander.Popp

Popp,  Alexander
Potsdam Institute for Climate Impact Research;

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Zitation

Wang, X., Du, R., Cai, H., Lin, B., Dietrich, J. P., Stevanović, M., Lotze-Campen, H., Popp, A. (2024 online): Assessing the impacts of technological change on food security and climate change mitigation in China’s agriculture and land-use sectors. - Environmental Impact Assessment Review, 107, 107550.
https://doi.org/10.1016/j.eiar.2024.107550


Zitierlink: https://publications.pik-potsdam.de/pubman/item/item_29942
Zusammenfassung
China has made substantial investment in agricultural research and development (R&D) to promote technological change (TC). Although the role of TC in enhancing agricultural production and mitigating environmental impacts is widely recognized in separate contexts, knowledge about its’ effects on food security and the environment, especially with a focus on China, is still lacking. This study uses an agro-economic optimization model to assess the impact of TC on food security and climate change mitigation. Our results indicate that TC plays an important role in improving agricultural productivity, which, in turn, contributes to a comparative advantage in agricultural trade. It also strengthens food security through lowering food prices. By contrast, a higher TC level increases greenhouse gas (GHG) emissions, albeit marginally, due to higher agricultural production for exports. This indicates a rebound effect of agricultural productivity on GHG emissions. Therefore, additional efforts are required in China to improve food security without compromising GHG mitigation.