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  Question 1 Answer A
Climate change is real   a) True
While you are correct, you have been misled by media and government hype if you think the statement is meaningful.  Climate has always changed and will continue to do so no matter what we do.  At times it warms (as it has modestly over the past century and generally since the end of the last Ice Age, 10,000 years ago).  At times it cools (as it did between 1940 and 1980).  At other times it shows no particular trend.  Since 2000 there has been a slight decline but trend determination is wholly a function of the time frame chosen to examine.

Figure 1:  Global average temperature reconstruction based upon 18 temperature proxies for the period 1 A.D. to 1995, combined with the thermometer-based dataset from the UK Met Office and University of East Anglia, covering the period 1850 to 2007.  Note that for both datasets each data point represents a 30-year average.  (from Dr. Roy Spencer of the University of Alabama at Hunstville - Ref.)

Is global cooling next?


Figure  2:  Global warming theory indicates that temperature rise due to increasing carbon dioxide emissions should be most prominent in the lower atmosphere.  However satellite data indicate that, since the 1998 El Nino when temperatures spiked 1░C due to a rise in water vapour emissions (the principle "greenhouse gas"), global temperatures dropped sharply, then stabilized and now show signs of  continuing down - is global cooling next?  (data courtesy of Professors John Christy and Roy Spencer, University of Alabama, Hunstville).



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Produced with the assistance of Dr. Tim Ball & Tom Harris, B. Eng., M. Eng. (Mech.), Executive Director, International Climate Science Coalition.
CSCCC FCPP is a member of Civil Society Coalition on Climate Change.
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