International Panel on Climate Change
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| International Panel on Climate Change | |
|---|---|
| Name | International Panel on Climate Change |
| Formation | 1988 |
| Type | Intergovernmental advisory body |
| Headquarters | Geneva |
| Leader title | Chair |
| Parent organization | United Nations Environment Programme; World Meteorological Organization |
International Panel on Climate Change is an intergovernmental scientific body convened to assess the scientific, technical and socio-political literature on climate change. It synthesizes findings from researchers associated with National Aeronautics and Space Administration, European Space Agency, Max Planck Society, Royal Society, American Geophysical Union, and Chinese Academy of Sciences to inform deliberations in forums such as the United Nations General Assembly, United Nations Framework Convention on Climate Change, and G20. Its assessments are used by policymakers in jurisdictions including the European Union, United States, People's Republic of China, India, and Brazil and referenced by institutions including the World Bank, International Monetary Fund, Inter-American Development Bank, African Union, and Asian Development Bank.
History
The body was established in 1988 amid initiatives involving the United Nations Environment Programme and the World Meteorological Organization, following scientific work by researchers at Scripps Institution of Oceanography, Hadley Centre, Lawrence Berkeley National Laboratory, Lamont–Doherty Earth Observatory, and CSIRO. Early syntheses drew on influential studies such as those from James Hansen at Goddard Institute for Space Studies, paleoclimate research from National Oceanic and Atmospheric Administration, and modelling advances at MIT, Princeton University, Columbia University, and California Institute of Technology. Key milestones include contributions to policy around the Montreal Protocol, inputs to negotiations that led to the Kyoto Protocol, and later influence on the Paris Agreement. Over successive assessment cycles, the organization integrated work from networks like Potsdam Institute for Climate Impact Research, Tyndall Centre for Climate Change Research, Stockholm Environment Institute, and International Institute for Applied Systems Analysis.
Structure and Membership
The organization comprises authors, review editors, and contributing experts drawn from institutions such as University of Oxford, University of Cambridge, Harvard University, Yale University, University of Tokyo, Australian National University, University of Cape Town, University of São Paulo, and Moscow State University. Its leadership includes a Chair and Vice-Chairs elected by member states represented at meetings of United Nations Environment Programme and World Meteorological Organization delegates. Working arrangements coordinate with regional offices of United Nations Development Programme, United Nations Educational, Scientific and Cultural Organization, European Commission, and national bodies like the Environmental Protection Agency and Ministry of Environment (Brazil). Membership is effectively global, with authors from South Africa, Kenya, Nigeria, Egypt, Saudi Arabia, Japan, South Korea, Canada, Mexico, Argentina, Chile, New Zealand, Norway, Sweden, Germany, France, Italy, Spain, Poland, Ukraine, Turkey, Indonesia, Malaysia, Philippines, and Vietnam.
Mandate and Functions
Its mandate is to assess peer-reviewed literature produced by researchers at centers such as National Institute of Water and Atmospheric Research, German Aerospace Center, French Alternative Energies and Atomic Energy Commission, Rutherford Appleton Laboratory, Argonne National Laboratory, and Oak Ridge National Laboratory. Functions include producing assessment reports, special reports, and methodology guidelines used by negotiators in sessions of the Conference of the Parties and by bodies like the Green Climate Fund, Global Environment Facility, UNFCCC Secretariat, European Investment Bank, and Asian Development Bank. It coordinates expert review processes involving societies such as the American Meteorological Society, European Geosciences Union, American Chemical Society, Royal Meteorological Society, and Royal Geographical Society.
Assessment Reports and Publications
Major outputs include periodic comprehensive assessment reports produced every several years, special reports on topics like global warming of 1.5 °C (drawing on work from Intergovernmental Panel on Climate Change Special Report 1.5, IPCC-affiliated research centers), and guidelines for national greenhouse gas inventories relied on by United Nations Framework Convention on Climate Change reporting. Contributing authors publish in journals such as Nature Climate Change, Science, Geophysical Research Letters, Journal of Climate, Climatic Change, Proceedings of the National Academy of Sciences, and Environmental Research Letters. The reports synthesize findings from empirical programs including Argo (oceanography), Global Carbon Project, Coupled Model Intercomparison Project, Paleoclimate Modelling Intercomparison Project, and Global Precipitation Measurement.
Methodology and Working Groups
Assessment cycles are organized into working groups focusing respectively on the physical science basis, impacts and adaptation, and mitigation, drawing on methodological tools developed by groups at MIT Energy Initiative, International Energy Agency, Lawrence Livermore National Laboratory, Potsdam Institute for Climate Impact Research, and Stockholm Resilience Centre. Procedures include multi-stage expert and government review, conflict-of-interest disclosures, and transparency practices modeled on standards from Committee on Publication Ethics, National Academy of Sciences, and World Health Organization. Data sources include remote sensing from Landsat, Sentinel program, MODIS, and in situ networks like Global Climate Observing System, FluxNet, and World Ocean Database.
Criticisms and Controversies
Critiques have emerged from figures associated with Marshall Institute, Cato Institute, and certain commentators in The Wall Street Journal, The Daily Telegraph, and Fox News regarding assessment uncertainty and policy implications. Scientific controversies have involved debates about attribution models developed at University of East Anglia and the handling of email disclosures involving researchers linked to Climate Research Unit. Other criticisms address representation and capacity-building for scientists from Global South institutions such as University of Lagos, Makerere University, and University of Dar es Salaam, prompting initiatives with organizations like United Nations Development Programme and Global Environment Facility.
Influence on Policy and Global Governance
The organization's assessments inform negotiations culminating in agreements like the Kyoto Protocol and the Paris Agreement and guide investments by World Bank, European Investment Bank, and national development banks. Governments reference its findings in national communications to the United Nations Framework Convention on Climate Change, in legislation such as climate laws in United Kingdom, Germany, France, and New Zealand, and in regulatory planning by agencies like the Environmental Protection Agency. Non-state actors including International Chamber of Commerce, Business Roundtable, The Nature Conservancy, World Wildlife Fund, Greenpeace, Sierra Club, and major corporations use its reports to set targets consistent with pathways modeled by International Energy Agency and research consortia like the Global Carbon Project.