Skip Navigation

DEFICIENCIES In the IPCC’s Special Report on 1.5 Degrees

January 1, 2019
By J. Ray Bates

This paper shows the Intergovernmental Panel On Climate Change's most recent special report lacks scientific rigor and diverges from sound scientific practice to make unwarranted claims.

The Intergovernmental Panel on Climate Change’s (IPCC) recent special report fails to adhere to the scientific method and violates standard scientific practice. Among its failings the study finds the IPCC’s special report:

  • [D]eparts from the IPCC (2013) Fifth Assessment in the direction of an increased sense of planetary emergency without giving rigorous scientific reasons for doing so.
  • Crucial research evidence, accumulated since the IPCC Fifth Assessment (2013), significantly reduces the prospect of a looming emergency. This evidence has not been taken into account; nor is it even referred to in the SR1.5 report.
  • The disturbing revelation of the widespread practice of ‘tuning’ climate models to achieve desired results, disclosed since the Fifth Assessment, has not been referred to either