30 years later: the IPCC in 5 figures

On March 13, 2018 takes place the 47th meeting of IPCC the Intergovernmental Panel on the Evolution of climate . A true reference for policy makers, it assesses the state of scientific knowledge on climate change and the possibilities envisaged to mitigate or adapt to it. On the occasion of the 30th anniversary of the intergovernmental body, here are some key figures to better understand its role and functioning.

2500 scientists

In all, nearly 2500 scientists have taken part or are still working on development of a report, from writing to peer review. The 5th IPCC report (in 2014) was written by more than 830 authors. None of them are paid by the group for their work, the scientist always depends on his laboratory of origin. Added to this figure are the "contributing authors". Their mission: to provide technical information on a specific subject covered by the chapter

The role of scientists does not stop there. The first phase of proofreading is provided by experts who are in charge of commenting on the exact and exhaustive nature of the writings. They compose a review committee following the invitation by the IPCC or at their own request. During the writing of the last evaluation report, nearly 2000 experts provided 140,000 re-reading comments.

6 million euros

The annual IPCC budget amounts to about 6 million euros and the 195 member states contribute voluntarily. The United States, whose financing amounted to approximately 1.6 million euros, decided to cease their contribution in 2016. To compensate for this drastic decline, France reassessed in 2018 its contribution to a million dollars. euros until 2022 – This funding is provided through the Ministries of Ecological Transition, Foreign Affairs and Research

5 reports

The IPCC has published 5 evaluation reports since its creation: in 1990, in 1995, 2001 2007 and 2014 . A report is usually composed of three volumes that correspond to the analyzes of the three IPCC working groups. Each tackles an area:

· The Physical Basis of the Climate System and Climate Change

· The Impact on the Socio-Economic Sector and Systems and options to adapt to it

· options for mitigating the phenomenon with lower greenhouse gas emissions (GHG) [19659016] There is also a "task force" that develops methodological monitoring of GHGs around the world

IPCC members do not carry out scientific research but evaluate and synthesize work carried out in laboratories all over the world. The 5th report summarizes, for example, 9,200 studies.

2,000 to 3,000 pages

Initially composed of several hundred pages, the IPCC reports are now more extensive and reach two or three thousand pages. For greater clarity, they provide policy makers with a document summarizing their analysis. All reports are freely available online … provided you can read in English.

2022: the next report

The 6th report of the IPCC will be published in 2022. Three special reports will be written in parallel, one of which "the impact of a global warming of 1.5 ° C above pre-industrial levels and on the corresponding greenhouse gas emission trajectories "according to a press release of the Ministry of Ecological transition.It will be published in October 2018.

Sources: Understanding the IPCC better IPCC website Ministry of Foreign Affairs

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