Climate Change Research ›› 2018, Vol. 14 ›› Issue (6): 632-639.doi: 10.12006/j.issn.1673-1719.2018.042

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The scientific and political views of carbon budget for global climate governance

Xiao-Ting CHEN1,Ying CHEN2   

  1. 1 Graduate School of Chinese Academy of Social Sciences, Beijing 102488, China
    2 Institute for Urban and Environmental Studies, Chinese Academy of Social Sciences, Beijing 100028, China
  • Received:2018-03-28 Revised:2018-06-28 Online:2018-11-30 Published:2018-11-30
  • Contact: Ying CHEN


IPCC’s Fifth Assessment Report has further elaborated and clarified that the global mean temperature increase is nearly linearly proportional to the total cumulative carbon (CO2) emissions. Despite the scientific uncertainties, the international community has reached certain scientific and political consensus on limiting the global mean temperature increase to below 2℃ relative to the pre-industrial level and the global cumulative carbon emissions (the carbon budget) compatible with this target. But how to incorporate the goal of carbon budget into policy decisions and practical actions is still a significant issue facing the policy makers. Therefore, the discussion to establish an effective integrated carbon budget management framework aimed at avoiding human-induced greenhouse gas emissions that danger the climate system, would be a positive approach in the new model of climate governance to realize the global emission reduction target, and with its scientific and political concepts to enable the policy dialogues and enhance actions.

Key words: Carbon budget, Cumulative carbon emissions, Temperature rise target, Emission reduction

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