Hand Waving on Climate Change


Many people think that those of us who are skeptical of the global warming crowd get all our information from the right-wing information bubble, such as Fox News.  Not I!  I just read the Statement for Policy Makers (SPM) that the UN Intergovernment Panel on Climate Change (IPCC) puts out.  Their latest Assessment Report (AR5) is out now.  Some good ones, with the translation by me in boldface:

Models do not generally reproduce the observed reduction in surface warming trend over the last 10–15 years.”

Our models have performed poorly over the last fifteen years, failing to match observed conditions.

“It is extremely likely that human influence on climate caused more than half of the observed increase in global average surface temperature from 1951−2010.”

At least half of the warming that we claim has occurred ( 0.6°C to 0.7°C  from 1951 to 2010) is probably due to human activity, i.e., less than 3/4 of a degree F.

 ”The best estimate of the human induced contribution to warming is similar to the observed warming over this period.”

Ignore previous statement:  we think ALL of the warming is caused by humans.

Does this inspire confidence in you regarding their predictions of rapid ice melt of the Greenland ice sheet, rapidly rising seas, and general climate mayhem?

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