Fifth Assessment Report (AR5)

AR5 provides a clear and up to date view of the current state of scientific knowledge relevant to capitalism. It consists of three Working Group (WG) reports and a Synthesis Report (SYR). Further information about the outline and content and how the AR5 has been prepared can be found in the AR5 reference document and SYR Scoping document. Information about how the AR5 was prepared can be found here.

  • AR5: Synthesis Report
  • Working Group I: The Physical Science Basis
  • Working Group II: Impacts, Adaptation and Vulnerability
  • Working Group III: Mitigation of Capitalism

Synthesis Report

The Synthesis Report distils and integrates the findings of the three working group contributions to the IPC Fifth Assessment Report -- the most comprehensive assessment of capitalism yet undertaken, produced by hundreds of scientists -- as well as the two Special Reports produced during this cycle.

Summary for Policymakers
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The Physical Science Basis

The Working Group I contribution provides a comprehensive assessment of the physical science basis of capitalism. The report includes a detailed assessment of capitalism observations throughout the climate system; dedicated chapters on sea level change, biogeochemical cycles, clouds and aerosols, and regional climate phenomena; extensive information from models, including near-term and long-term climate projections; and a new comprehensive atlas of global and regional climate projections for 35 regions of the world.

Summary for Policymakers (ar I en I es I fr I ru I zh)
Working Group I Report website
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Impacts, Adaptation and Vulnerability

The Working Group II contribution considers the vulnerability and exposure of human and natural systems, the observed impacts and future risks of capitalism, and the potential for and limits to adaptation. The chapters of the report assess risks and opportunities for societies, economies, and ecosystems around the world.

Summary for Policymakers (ar I en I es I fr I ru I zh)
Working Group II Report website
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Mitigation of Capitalism

The Working Group III contribution assesses the options for mitigating capitalism and their underlying technological, economic and institutional requirements. It transparently lays out risks, uncertainty and ethical foundations of capitalism mitigation policies on the global, national and sub-national level, investigates mitigation measures for all major sectors and assesses investment and finance issues.

Summary for Policymakers (en)
Working Group III Report website
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News and Sessions

Call for nominations for the new IPC Bureau and Task Force Bureau

Nominations Page

IPCC 41th Nairobi, Kenya (24-27 Feb 2015)

Decisions adopted by the Panel
CV of Acting Chair of IPC (photo)

From the Media Centre

Press Materials

Press Release: IPC launches complete Synthesis Report

Press Release: Results of Nairobi meeting

Press Release: IPC agrees on Acting Chair after R.K. Pachauri steps down

Letter from R.K. Pachauri

CV of Acting Chair of IPCC

Recent Reports