The Intergovernmental Panel on Climate Change (IPCC) is making changes to improve its scientific integrity. The move comes in part because of mistakes discovered in the panel’s 2007 assessment, including the incorrect statement that Himalayan glaciers would melt away by 2035. Last year, the InterAcademy Council, a coalition of national scientific academies, recommended changes to IPCC to address these and other issues (C&EN, Sept. 6, 2010, page 15). At a meeting in mid-May, IPCC adopted a procedure for evaluating and correcting errors in its assessments. The group also established a standardized method for addressing scientific uncertainties in its reports, and it approved a new conflict-of-interest policy. In addition, the panel set a benchmark for scientific literature used for its assessments. This gives priority to peer-reviewed studies but recognizes that reports from governments, industry, and research institutions may provide crucial data even if they aren’t peer reviewed. It states that magazines and newspapers are generally not valid sources of scientific information and bans the use of material from broadcast media, blogs, social networking sites, and personal communications of scientific results.