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Energy requirements and carbon emissions for a low-carbon energy transition

Slameršak, Aljoša ; Kallis, Giorgos ; O'Neill, Daniel W

Nature communications, 2022-11, Vol.13 (1), p.6932-15, Article 6932 [Periódico revisado por pares]

England: Nature Publishing Group

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  • Título:
    Energy requirements and carbon emissions for a low-carbon energy transition
  • Autor: Slameršak, Aljoša ; Kallis, Giorgos ; O'Neill, Daniel W
  • Assuntos: Alternative energy sources ; Alternative fuels ; Carbon ; Carbon - analysis ; Carbon content ; Carbon Dioxide - analysis ; Clean energy ; Emissions ; Energy ; Energy requirements ; Energy transition ; Fossil Fuels ; Paris ; Paris Agreement
  • É parte de: Nature communications, 2022-11, Vol.13 (1), p.6932-15, Article 6932
  • Descrição: Achieving the Paris Agreement will require massive deployment of low-carbon energy. However, constructing, operating, and maintaining a low-carbon energy system will itself require energy, with much of it derived from fossil fuels. This raises the concern that the transition may consume much of the energy available to society, and be a source of considerable emissions. Here we calculate the energy requirements and emissions associated with the global energy system in fourteen mitigation pathways compatible with 1.5 °C of warming. We find that the initial push for a transition is likely to cause a 10-34% decline in net energy available to society. Moreover, we find that the carbon emissions associated with the transition to a low-carbon energy system are substantial, ranging from 70 to 395 GtCO (with a cross-scenario average of 195 GtCO ). The share of carbon emissions for the energy system will increase from 10% today to 27% in 2050, and in some cases may take up all remaining emissions available to society under 1.5 °C pathways.
  • Editor: England: Nature Publishing Group
  • Idioma: Inglês
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