2°C and SDGs: united they stand, divided they fall?

von Stechow, Christoph; Minx, Jan C.; Riahi, K.; Jewell, J.; McCollum, D. L.; Callaghan, M. W.; Bertram, Christoph; Luderer, Gunnar; Baiocchi, G.

doi:10.1088/1748-9326/11/3/034022

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学術論文

2°C and SDGs: united they stand, divided they fall?

Authors

/persons/resource/stechow.christoph

von Stechow, Christoph
Potsdam Institute for Climate Impact Research;

/persons/resource/jan.minx

Minx, Jan C.
Potsdam Institute for Climate Impact Research;

Riahi, K.
External Organizations;

Jewell, J.
External Organizations;

McCollum, D. L.
External Organizations;

Callaghan, M. W.
External Organizations;

/persons/resource/Bertram

Bertram, Christoph
Potsdam Institute for Climate Impact Research;

/persons/resource/Gunnar.Luderer

Luderer, Gunnar
Potsdam Institute for Climate Impact Research;

Baiocchi, G.
External Organizations;

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引用

von Stechow, C., Minx, J. C., Riahi, K., Jewell, J., McCollum, D. L., Callaghan, M. W., Bertram, C., Luderer, G., & Baiocchi, G. (2016). 2°C and SDGs: united they stand, divided they fall? Environmental Research Letters, 11:. doi:10.1088/1748-9326/11/3/034022.

引用: https://publications.pik-potsdam.de/pubman/item/item_21124

要旨

The adoption of the Sustainable Development Goals (SDGs) and the new international climate treaty could put 2015 into the history books as a defining year for setting human development on a more sustainable pathway. The global climate policy and SDG agendas are highly interconnected: the way that the climate problem is addressed strongly affects the prospects of meeting numerous other SDGs and vice versa. Drawing on existing scenario results from a recent energy-economy-climate model inter-comparison project, this letter analyses these synergies and (risk) trade-offs of alternative 2 °C pathways across indicators relevant for energy-related SDGs and sustainable energy objectives. We find that limiting the availability of key mitigation technologies yields some co-benefits and decreases risks specific to these technologies but greatly increases many others. Fewer synergies and substantial trade-offs across SDGs are locked into the system for weak short-term climate policies that are broadly in line with current Intended Nationally Determined Contributions (INDCs), particularly when combined with constraints on technologies. Lowering energy demand growth is key to managing these trade-offs and creating synergies across multiple energy-related SD dimensions. We argue that SD considerations are central for choosing socially acceptable 2 °C pathways: the prospects of meeting other SDGs need not dwindle and can even be enhanced for some goals if appropriate climate policy choices are made. Progress on the climate policy and SDG agendas should therefore be tracked within a unified framework.