Evidence Against Manmade Global Warming How I Became a Skeptic: A Personal Odyssey

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Evidence Against Manmade Global WarmingHow I
Became a Skeptic A Personal Odyssey

• S Fred Singer
• Univ of Virginia and SEPP
• Heartland ICCC
• NY City, March 10, 2009

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Why dont we see Greenhouse Warming in the
Climate record? Where is it?

• After all, CO2 is a GH gas whose level is
  increasing
• Climate sensitivity much less than IPCCs
• Models do not include negative feedbacks
• Models ignore important forcings
• Data Problem with trends and smoothing

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How I became a Skeptic

• The Early Years (1956 1988)
• GW Promotion And Skepticism (1988)
• My Doubts Become Stronger (1990)
• UHI And Loss Of Stations
• Fingerprints (1995-
• Sea Surface Temperatures (SST) (2005-
• Negative Feedbacks
• Solar Influences

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Is Climate Science Policy-Relevant?

• The faux Consensus
• The science is settled
• NIPCC vs IPCC
• Tipping points and climate catastrophes
• The Precautionary Principle