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  Road to glory or highway to hell? Global road access and climate change mitigation

Wenz, L., Weddige, U., Jakob, M., Steckel, J. C. (2020): Road to glory or highway to hell? Global road access and climate change mitigation. - Environmental Research Letters, 15, 7, 075010.
https://doi.org/10.1088/1748-9326/ab858d

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 Creators:
Wenz, Leonie1, Author              
Weddige, U.2, Author
Jakob, M.2, Author
Steckel, Jan Christoph1, Author              
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Abstract: Transportation infrastructure is considered a key factor for economic development and poverty alleviation. The United Nations have explicitly included the provision of transport infrastructure access, e.g. through all-season road access, in their Sustainable Development Goal agenda (SDGs, target 9.1). Yet, little is known about the number of people lacking access to roads worldwide, the costs of closing existing access gaps and the implications of additional roads for other sustainability concerns such as climate change mitigation (SDG-13). Here we quantify, for 250 countries and territories, the percentage of population without road access in 2 km. We find that infrastructure investments required to provide quasi-universal road access are about USD 3 trillion. We estimate that the associated cumulative CO2 emissions from construction work and additional traffic until the end of the century amount to roughly 16 Gt. Our geographically explicit global analysis provides a starting point for refined regional studies and for the quantification of further environmental and social implications of SDG-9.1.

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 Dates: 2020-03-152020-07-20
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: PIKDOMAIN: RD4 - Complexity Science
eDoc: 9006
MDB-ID: yes
Organisational keyword: RD4 - Complexity Science
DOI: 10.1088/1748-9326/ab858d
Working Group: Data-based analysis of climate decisions
Research topic keyword: Climate Policy
Research topic keyword: Economics
Research topic keyword: Inequality and Equity
Research topic keyword: Mitigation
Research topic keyword: Sustainable Development
Regional keyword: Global
Model / method: Quantitative Methods
 Degree: -

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Title: Environmental Research Letters
Source Genre: Journal, SCI, Scopus, p3, oa
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Pages: - Volume / Issue: 15 (7) Sequence Number: 075010 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/150326
Publisher: IOP Publishing