Prof. Peter A. Ziegler: Solar effects drive climate change not CO2

The k2p blog

Prof. Peter Ziegler (b. 1928) is a Swiss geologist  and Titular Professor of Global Geology at the Geological-Paleontological Institute, University of Basel. He is a member of the Royal Netherlands Academy of Sciences, the Polish Academy of Arts and Sciences, the Russian Academy of Natural Sciences and the Academia Europaea. His presentation on the “Mechanisms of Climate Change” from February this year is pretty self-contained and self explanatory and my comments would only be superfluous.

Climate Change Ziegler 2013 (pdf)

I reproduce his conclusions slide below:

  • Climate change during industrial times can be fully explained by natural processes
  • During the last 550 Million years major natural climate changes involved large fluctuations in temperature and atmospheric CO2 concentrations
  • Apart from orbital forcing and the distribution of continents and oceans, variations in solar activity and the galactic cosmic ray flux controlled climate changes during the geological past and probably still do so
  • Despite rising atmospheric CO2 concentrations we may experience during the 

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