Cities as nuclei of sustainability?

Rybski, Diego; Reusser, Dominik E.; Winz, Anna-Lena; Fichtner, Christina; Sterzel, Till; Kropp, Jürgen P.

doi:10.1177/0265813516638340

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Cities as nuclei of sustainability?

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/persons/resource/Diego.Rybski

Rybski, Diego
Potsdam Institute for Climate Impact Research;

/persons/resource/dominik.reusser

Reusser, Dominik E.
Potsdam Institute for Climate Impact Research;

/persons/resource/anna-lena.winz

Winz, Anna-Lena
Potsdam Institute for Climate Impact Research;

/persons/resource/christina.fichtner

Fichtner, Christina
Potsdam Institute for Climate Impact Research;

/persons/resource/till.sterzel

Sterzel, Till
Potsdam Institute for Climate Impact Research;

/persons/resource/Juergen.Kropp

Kropp, Jürgen P.
Potsdam Institute for Climate Impact Research;

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引用

Rybski, D., Reusser, D. E., Winz, A.-L., Fichtner, C., Sterzel, T., & Kropp, J. P. (2017). Cities as nuclei of sustainability? Environment and Planning B: Urban Analytics and City Science, 44(3), 425-440. doi:10.1177/0265813516638340.

引用: https://publications.pik-potsdam.de/pubman/item/item_20778

要旨

We have assembled CO2 emission figures from collections of urban GHG emission estimates published in peer-reviewed journals or reports from research institutes and non-governmental organizations. Analyzing the scaling with population size, we find that the exponent is development dependent with a transition from super- to sub-linear scaling. From the climate change mitigation point of view, the results suggest that urbanization is desirable in developed countries. Further, we compare this analysis with a second scaling relation, namely the fundamental allometry between city population and area, and propose that density might be a decisive quantity too. Last, we derive the theoretical country-wide urban emissions by integration and obtain a dependence on the size of the largest city.