The new IPCC can still cite non-peer-reviewed literature from climate activists

International Climate Panel Announces Reforms on Conflicts, Errors - ScienceInsider

According to a draft of the conflict-of-interest policy distributed before the final vote, coordinating editors and authors of the panel’s voluminous reports would have to fill out a form each year detailing affiliations, funding, and jobs that “might reasonably be construed by others as affecting your judgment.”
...
On the issue of citing non-peer-reviewed literature, such as reports from nongovernmental organizations and climate activists, the new procedures say that IPCC report authors can include such documents “as long as they are scientifically and technically valid. However, magazines and newspapers are in principle not valid sources ... blogs, social networking sites, and broadcast media are not acceptable sources of information for IPCC reports.”