The Fifth session of the IPCC discussed on the IPCC work program for 1991 and beyond and provided objective analysis of scientific and technical assessment of the issue of climate change. The Panel also approved the report of the fourth session.

The Sixth session of the IPCC approved the report of the fifth session and agreed on many issues including establishing an IPCC Task force to make proposals on the future structure of IPCC. The Panel also decided on an interim expansion of the IPCC Bureau.

The Twenty-Seventh Session focused on the adoption and approval of the draft Synthesis Report of the IPCC Fourth Assessment Report (AR4). as indicated in the agenda, a discussion paper about the future of the IPCC was introduced, among other items that required consideration and decision by the Panel.

The focus of this meeting was on the Future of the IPCC, including key aspects of the future IPCC work programme and the future structure of the IPCC Bureau and the TFB. The Panel was also invited to consider of the outcome of the Scoping Meeting for a possible Special Report on renewable energy and a proposal for the use of the Funds from the Nobel Peace Prize. The Chair informed the Panel about action taken by the 37th Session of the IPCC Bureau (Budapest, 7-8 April 2008) concerning the finalization of the Technical Paper on Climate Change and Water.

The major tasks of the eighth session of the IPCC included deciding on the future IPCC structure, and agreeing on work plans of working Groups and Subgroups. The panel discussed and adopted various draft reports.

The Intergovernmental Panel on Climate Change (IPCC) completed its Second Assessment Report in December 1995. The major conclusions are that greenhouse gas concentrations are increasing, the global climate has been changing, and will likely continue to change, probably due to human influence.

The Panel at its tenth session called on partnerships and collaboration to address climate change, and stress the importance of involving experts from developing countries and countries with economies in transition in the activities of the Panel. The panel discussed and adopted various draft reports, and identified the following three areas on which IPCC needed to focus in its future work: Identification of gaps and uncertainties, preparations for the Third Assessment Report, and the development of methodologies on greenhouse gas inventories.

The IPCC Panel at its 26th session called on partnerships and collaboration to address climate change, as well as a better understanding of social and economic dimensions of mitigation and adaptation. The Panel recalls its support for decoupling the climate modeling work from the emission scenario development work, in order to allow climate modelers a quick start with their work after the completion of the AR4. Also, the Panel now requests the Steering Committee on New Scenarios to prepare a few benchmark concentration scenarios through the IPCC Expert Meeting 19-22 September 2007 in Noordwijkerhout, The Netherlands. These benchmark concentration scenarios should be compatible with the full range of stabilization, mitigation and baseline emission scenarios available in the current scientific literature.

Different speakers addressed the Panel. Among other decisions of the Nineteenth Session of the IPCC: the Panel decided that well before the next round of elections the Chair would bring to the Panel a proposal describing the rules and procedures to be adopted by the IPCC when conducting elections. The Panel also decided on the terms of reference, draft table of content and draft workplan for developing definitions for degradation of forest and devegetation of other vegetation types, and methodological options to inventory and report on emissions resulting from these activities.

The focus of this meeting was on the future of the IPCC, in particular the scoping of the 5th Assessment Report. The Panel was also invited to consider the outcome of the Scoping Meeting for a possible Special Report on "Extreme events and disasters: managing the risks", and of the Expert Meeting on "Alternative common metrics to calculate the CO2 equivalence of anthropogenic emissions by sources and removals by sinks of greenhouse gases".

The Panel approved various draft reports including the draft report of the 12th session. The Panel noted the draft decision paper (introduced by Dr. Watson) on the TAR, and after extensive discussions and amendments, the panel approved the decision line by line. The panel deferred the decision on the adoption procedure for the the report underlying the summary for policymakers of the synthesis report.

Among other topics, the panel introduced a proposal for further work on emission scenarios, which was developed based on the recommendations of the Task Group on New Emission Scenarios, established following a decision by the Panel at its 23rd Session. In the plenary debate several countries expressed support for the proposal and some underlined the need to also cover the requirements of impact, adaptation and vulnerability studies, the importance of regional scenarios and developing country involvement in scenario development. Some concern was expressed that integrated scenarios may go beyond the scope of the IPCC. Different views were expressed about the IPCC role in scenario development, including the view that the IPCC should no longer itself commission or direct scenario development. The suggestion was also made to draw on the expertise of the Task Group on Data and Scenario Support for Impact and Climate Assessment (TGICA). It was recommended to take a clear decision on the future role of the IPCC and to focus in the further consultations on aspects where urgent decisions were required.

The Panel at its ninth session would set the stage for the assessment process envisaged over the next two years. The panels also stressed the need for a high scientific and technical standard which would ensure the best information to decision-makers. The panel discussed and adopted various draft reports, including the draft work plan of working groups.

This meeting focused on the future of the IPCC, in particular the scoping of the 5th Assessment Report. Among other isues, the Panel considered the outcome of the Scoping Meeting for a possible Special Report on "Extreme events and disasters: managing the risks", and of the Expert Meeting on "Alternative common metrics to calculate the CO2 equivalence of anthropogenic emissions by sources and removals by sinks of greenhouse gases".

The session opened after a lighting of lamp ceremony by H.E. Mr Thiru A. Raja, Minister of Environment and Forests, India and other dignitaries. Following this a number of speakers noted the significance of ensuring that the findings of the Fourth Assessment Report (AR4) reach the public at large, and the need for AR4 to highlight research in developing countries. UNEP Executive Director highlighted the significance of the work of the IPCC for related policy processes, and commended the increased involvement by women and developing country authors in the AR4. Mr Halldor Thorgeirsson highlighted the importance placed by the UNFCCC on climate monitoring, the ongoing revision of the greenhouse gas (GHG) reporting guidelines, and good practice guidance on land use, land-use change and forestry.

The meeting highlighted recent progress in the work of the IPCC, in particular the completion of the two Special Reports on Safeguarding the Ozone Layer and the Global Climate System (SROC), and on Carbon Dioxide Capture and Storage (SRCCS) and the preparations for the Fourth Assessment Report (AR4). Among other speakers, the Executive Director of the United Nations Environment Program (UNEP), Mr Klaus Töpfer addressed the Session on the linkages between science and climate change policy and the increasing need for information from the IPCC. He reaffirmed UNEP's commitment to the IPCC and supported early planning for the period beyond AR4. The Deputy Secretary-General of the World Meteorological Organization (WMO), also addressed the Panel on the importance of the principles of impartiality, transparency, scientific authority and integrity for the past success of the IPCC, the linkages of WMO programmes and IPCC assessments, and WMO's commitment to the IPCC.

The Third session of the IPCC highlighted the magnitude of the global environmental problem and emphasized the need of improving our knowledge base and preparation for cooperative preventive actions. The Panel also emphasized the need for the marriage of science and politics in the good sense of the word.

The Chair gave his opening address, outlining the issues faced by the Panel in preparing for the Fourth Assessment Report and highlighted the rigorous efforts undertaken thus far in scoping the structure and contents of the report. The Panel noted that the preparation of an AR4 SYR that would meet the expectations of most delegations would require extensive consultation and the early and full commitment of many of those who would also be involved in the preparation of the individual Working Group (WG) reports. It noted that the AR4 SYR could: Bring together the main messages from the individual WG reports: Synthesise cross-cutting information from the individual WG reports, including the AR4 cross-cutting themes: Provide a top-down perspective for decision makers on issues covered by the AR4: Produce an overview of the key conclusions of AR4 in non-technical and readily translatable language: Re-assess the policy relevant questions addressed in the TAR SYR.