| Climate Sensitivity Reconsidered |
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| Written by Lord Monckton | |
| Friday, 12 September 2008 | |
  For the Full Report in PDF Form, please click here. [Illustrations, footnotes and references available in PDF version] Abstract The Intergovernmental Panel on Climate Change (IPCC, 2007) concluded that anthropogenic CO2 emissions probably caused more than half of the “global warming” of the past 50 years and would cause further rapid warming. However, global mean surface temperature TS has not risen since 1998 and may have fallen since late 2001. The present analysis suggests that the failure of the IPCC’s models to predict this and many other climatic phenomena arises from defects in its evaluation of the three factors whose product is climate sensitivity: 1) Radiative forcing 2) The no-feedbacks climate sensitivity parameter and 3) The feedback multiplier Some reasons why the IPCC’s estimates may be excessive and unsafe are explained. More importantly, the conclusion is that, perhaps, there is no “climate crisis”, and that currently-fashionable efforts by governments to reduce anthropogenic CO2 emissions are pointless, may be ill-conceived, and could even be harmful. |
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