Read here. The IPCC objectives are not climate science but instead political objectives of its green creators and fanatics. The UN's IPCC is infected by the Big Green machine's activist personnel and alumni. To make it so, Pachauri keeps defending the fringe green elements (and their non-scientific techniques) involved in the IPCC's climate reporting.
"Pachauri has systematically misled the entire world about how his organization writes its reports. He has insisted that these reports are based only on peer-reviewed literature when this is simply not the case...He has boasted that his organization is utterly transparent – but an InterAcademy Council committee that took a close look at the IPCC last year concluded otherwise – before recommending that Pachauri should step down...Pachauri has said IPCC reports are written by the world’s top scientists when, in fact, many of those involved are 20-something grad students, green activists, and people appointed with an eye to filling “diversity” quotas...In yesterday’s article Pachauri dismissed concerns that a lead author of a recent IPCC report is a Greenpeace activist..."