The IPCC organizes a number of meetings with different objectives and level of participation. They include Plenary sessions of the IPCC and IPCC Working Groups which are attended by representatives from governments and participating organizations, sessions of the IPCC Bureau, the Task Force Bureau and any task group set up by the Panel, as well as workshops, scoping and other expert meetings, and meetings of lead authors involved in preparing an IPCC report. The IPCC co-sponsors also meetings to support the assessment process, to disseminate its results and enhance interaction with scientists and users.

The Calendar of Meetings provides an overview about sessions of the IPCC and IPCC Working Groups, main lead authors meetings, expert meetings and workshops, co-sponsored events and review periods for IPCC reports. It provides also information about other major climate change related events.

Official documents of past and upcoming sessions of the IPCC and IPCC Working Groups, and approved reports of sessions of the IPCC and the IPCC Bureau can be found here (currently documents since 2001).  Pre-session documentation for expert meetings and workshops, summary meeting reports and presentations given at such meeting are also made available. Access to some information may be restricted to invited experts or governments. Published proceedings of workshops and expert meetings can be found under IPCC Supporting Material.