From The Heartland Institute, Patrick Moore, a founder of Greenpeace, writes Why I am a Climate Change Skeptic
By its constitution, the IPCC has a hopeless conflict of interest. Its mandate is to consider only the human causes of global warming, not the many natural causes changing the climate for billions of years. We don’t understand the natural causes of climate change any more than we know if humans are part of the cause at present. If the IPCC did not find humans were the cause of warming, or if it found warming would be more positive than negative, there would be no need for the IPCC under its present mandate. To survive, it must find on the side of the apocalypse.
The IPCC should either have its mandate expanded to include all causes of climate change, or it should be dismantled.