The Junkman on the latest IPCC report

Steven Milloy of Fox News and JunkScience.com gives his thoughts on the latest and final IPCC report. It’s a very good article and well worth reading. My favortite part:

That key issue, of course, is whether or not manmade CO2 emissions drive global temperature. In its shockingly brief and superficial treatment of this crucial issue, the U.N. states, in relevant part, that, “Most of the observed increase in globally-averaged temperatures, since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations. It is likely that there has been significant anthropogenic warming over the past 50 years averaged over every continent (except Antarctica).”

This glib statement overlooks that fact that from 1940 to 1975 globally-averaged temperature declined (giving rise to a much-hyped scare about a looming ice age) while manmade CO2 emissions increased. Global temperature has fallen since 1998 despite ever-increasing CO2 emissions. So for 27 of the last 50 years, globally-averaged temperatures have declined while CO2 emissions have increased.

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