‘UN IPCC’s Summaries for Policymakers – are not scientific statements at all. Rather, they are the result of a messy, arduous political negotiation that pits scientists against politicians’
'The experts who write IPCC reports are nominated not by science academies but by Environment Ministry bureaucrats. In some countries this means skeptical scientists are frozen out by the sort of self-selected true-believers one would expect to find in government departments focused on the environment. In corrupt and impoverished nations cronyism – rather than expertise – accounts for the presence of some of the nominees'