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Climatologist Dr. Roger Pielke Sr.: ‘This AAAS report is an embarrassment to the scientific community’ – Declares report includes ‘blatant advocacy and absurd statements’

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I recommend readers look at the minority AGU Statement I prepared and contrast that with the AAAS report’s statements inhttp://whatweknow.aaas.org/wp-content/uploads/2014/03/AAAS-What-We-Know.pdf. My statement is

Pielke Sr., R.A. 2013: Humanity Has A Significant Effect on Climate – The AGU Community Has The Responsibility To Accurately Communicate The Current Understanding Of What is Certain And What Remains Uncertain [May 10 2013]. Minority Statement in response to AGU Position Statement on Climate Change entitled: “Human-induced Climate Change Requires Urgent Action” released on 8/5/13. http://pielkeclimatesci.files.wordpress.com/2013/08/rpt-851.pdf

The AAAS report is even worse than the AGU and AMS Statements (and I thought that would be hard to do). I know several of the authors of the AAAC report, and respect their science within their immediate area of expertise. However, the blatant advocacy and absurd statements such as

“The science linking human activities to climate change is analogous to the science linking
smoking to lung and cardiovascular diseases.”

show that this report is just political theater.

There are no health benefits from smoking, only health risks. CO2 is required for life on Earth including plant growth and function.

Added CO2 is a significant climate forcing (both radiatively and geochemically, the latter of which I feel is of more concern), but to directly contact to the health risks of tobacco demeans the scientific stature of this who make such wild claims.

Another example (and their are many in this report) is

“decades of human-generated greenhouse gases are now the major force driving the direction of climate change, currently overwhelming the effects of these other factors.”

is counter to established research which shows, for example, the first order importance of other human climate forcings; e.g. see

Pielke Sr., R., K. Beven, G. Brasseur, J. Calvert, M. Chahine, R. Dickerson, D. Entekhabi, E. Foufoula-Georgiou, H. Gupta, V. Gupta, W. Krajewski, E. Philip Krider, W. K.M. Lau, J. McDonnell, W. Rossow, J. Schaake, J. Smith, S. Sorooshian, and E. Wood, 2009: Climate change: The need to consider human forcings besides greenhouse gases. Eos, Vol. 90, No. 45, 10 November 2009, 413. Copyright (2009) American Geophysical Union.http://pielkeclimatesci.wordpress.com/files/2009/12/r-354.pdf

and

National Research Council, 2005: Radiative forcing of climate change: Expanding the concept and addressing uncertainties. Committee on Radiative Forcing Effects on Climate Change, Climate Research Committee, Board on Atmospheric Sciences and Climate, Division on Earth and Life Studies, The National Academies Press, Washington, D.C., 208 pp. http://www.nap.edu/openbook/0309095069/html/

They also ignore the recent recognition of the heightened importance of natural climate forcings and feedbacks.

This AAAS report is an embarrassment to the scientific community. .

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