Science China Earth Sciences

, 54:1458 | Cite as

Global warming, human-induced carbon emissions, and their uncertainties

  • JingYun FangEmail author
  • JiangLing Zhu
  • ShaoPeng Wang
  • Chao Yue
  • HaiHua Shen


In recent decades, there have been a number of debates on climate warming and its driving forces. Based on an extensive literature review, we suggest that (1) climate warming occurs with great uncertainty in the magnitude of the temperature increase; (2) both human activities and natural forces contribute to climate change, but their relative contributions are difficult to quantify; and (3) the dominant role of the increase in the atmospheric concentration of greenhouse gases (including CO2) in the global warming claimed by the Intergovernmental Panel on Climate Change (IPCC) is questioned by the scientific communities because of large uncertainties in the mechanisms of natural factors and anthropogenic activities and in the sources of the increased atmospheric CO2 concentration. More efforts should be made in order to clarify these uncertainties.


carbon emissions climate change global warming human activities natural forces uncertainty 


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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • JingYun Fang
    • 1
    • 2
    Email author
  • JiangLing Zhu
    • 1
    • 2
  • ShaoPeng Wang
    • 1
  • Chao Yue
    • 1
  • HaiHua Shen
    • 1
  1. 1.Department of Ecology, Key Laboratory for Earth Surface Processes of the Ministry of EducationPeking UniversityBeijingChina
  2. 2.Climate Change Research CenterAcademic Divisions of the Chinese Academy of Sciences at Peking UniversityBeijingChina

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