Posted by: Grant | November 17, 2011

Chinese Paper

SCIENCE CHINA
Earth Sciences © Science China Press and Springer-Verlag Berlin Heidelberg 2011 earth.scichina.com
www.springerlink.com *Corresponding author (email: jyfang@urban.pku.edu.cn)

• REVIEW • October 2011 Vol.54 No.10: 1458–1468 doi: 10.1007/s11430-011-4292-0

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

 http://climategate.nl/wp-content/uploads/2011/11/fangetal.pdf

FANG JingYun1,2*, ZHU JiangLing1,2, WANG ShaoPeng1, YUE Chao1 & SHEN HaiHua1 1Department of Ecology, Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China; 2Climate Change Research Center, Academic Divisions of the Chinese Academy of Sciences at Peking University, Beijing 100871, China
Received February 25, 2011; accepted June 29, 2011

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.

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