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Since the early 1990ies, scientists from all over the world worked together to report every five to six years about what was known about climate change and how it was caused by human and non-human activities (see Cat. Nr. 31). The Museum holds the fourth of such reports, published in 2007. Others have followed since then until at least 2027.
The reports contain the science and the science only. Before publication, their content was shown to government officials for approval, because governments eventually had to take action to fight climate change. In that approval process, the scientific facts were not changed but the presentation of these facts might be changed in a way that non-scientists could understand them.
The reports were relevant for policy making but they did not prescribe how policies should be made. In other words: they contained information indicating that there was a problem, they also showed different ways to deal with the problem, but they did not say what each government should be doing about them. What could be done was drafted by policy makers in each country, and eventually decided upon by the politicians in each country.
Cat. Nr. 6
IPPC 4th ASSESSMENT REPORT
2007, Intergovernmental Panel on Climate Change, Cambridge University Press
21 x 28 x 12,5 cm: paper, ink