Guest essay by Dr. Norman Page

1. Introduction

Dr. Leif Svalgaard said in a comment on a WUWT post:

August 17, 2015 at 2:27 pm

causes of climate change and mitigate its adverse effects. Where there are threats of serious or

irreversible damage, lack of full scientific certainty should not be used as a reason for postponing

such measures”

The successive five reports of the IPCC in the Summaries for Policymakers written by Government representatives have clamed increasing certainty for the outcomes of their Model based projections of future temperature which is not supported by the Science sections of the reports or the actual data.