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  Carbon budgets and energy transition pathways

Vuuren, D. P. v., Soest, H. v., Riahi, K., Clarke, L., Krey, V., Kriegler, E., Rogelj, J., Schaeffer, M., Tavoni, M. (2016): Carbon budgets and energy transition pathways. - Environmental Research Letters, 11, 7, 075002.
https://doi.org/10.1088/1748-9326/11/7/075002

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Vuuren, D. P. van1, Author
Soest, H. van1, Author
Riahi, K.1, Author
Clarke, L.1, Author
Krey, V.1, Author
Kriegler, Elmar2, Author              
Rogelj, J.1, Author
Schaeffer, M.1, Author
Tavoni, M.1, Author
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1Potsdam Institute for Climate Impact Research and Cooperation Partners, ou_persistent13              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: Scenarios from integrated assessment models can provide insights into how carbon budgets relate to other policy-relevant indicators by including information on how fast and by how much emissions can be reduced. Such indicators include the peak year of global emissions, the decarbonisation rate and the deployment of low-carbon technology. Here, we show typical values for these indicators for different carbon budgets, using the recently compiled IPCC scenario database, and discuss how these vary as a function of non-CO2 forcing, energy use and policy delay. For carbon budgets of 2000 GtCO2 and less over the 2010–2100 period, supply of low carbon technologies needs to be scaled up massively from today's levels, unless energy use is relatively low. For the subgroup of scenarios with a budget below 1000 GtCO2 (consistent with >66% chance of limiting global warming to below 2 °C relative to preindustrial levels), the 2050 contribution of low-carbon technologies is generally around 50%–75%, compared to less than 20% today (range refers to the 10–90th interval of available data).

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 Dates: 2016
 Publication Status: Finally published
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1088/1748-9326/11/7/075002
PIKDOMAIN: Sustainable Solutions - Research Domain III
eDoc: 7494
Research topic keyword: Decarbonization  
Regional keyword: Global
Organisational keyword: RD3 - Transformation Pathways
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Title: Environmental Research Letters
Source Genre: Journal, SCI, Scopus, p3, oa
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Pages: - Volume / Issue: 11 (7) Sequence Number: 075002 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/150326