John Schellnhuber

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Person.png Professor John Schellnhuber  Rdf-entity.pngRdf-icon.png
(atmospheric physicist, climatologist)
John Schellnhuber.jpg
BornHans Joachim Schellnhuber
7 June 1950
Alma materUniversity of Regensburg
Member ofClub of Rome
Climatologist who wants a human population below 1 billion. Influential in Papal encyclical Laudato Si'

Hans Joachim "John" Schellnhuber is a German atmospheric physicist, climatologist and founding director of the Potsdam Institute for Climate Impact Research and former chair of the German Advisory Council on Global Change (WBGU). Schellnhuber, a member of the Club of Rome and who wants a human population below 1 billion, was influential in the work behind the Papal encyclical Laudato Si'.


As early as 1995, John Schellnhuber proposed the 2°C (3.6°F) guardrail for global warming which was adopted first by the German government and the European Union and then, following the Copenhagen Accord in 2009, as a global target by governments worldwide.

During the 2009 Copenhagen Climate Conference, Schellnhuber talked about the optimum human population.[1] The New York Times reported that Schellnhuber told the conference that if the temperature of the earth rose by 9 degrees Fahrenheit (5°C) the human population would be devastated, and that, "In a very cynical way, it’s a triumph for science because at last we have stabilized something –- namely the estimates for the carrying capacity of the planet, namely below 1 billion people." [2][3]

In 2017, John Schellnhuber said that unless climate action is taken by 2020, the world "may be fatally wounded."[4]


From 2001–2005 Schellnhuber served as research director of the Tyndall Centre for Climate Change Research in England and became a visiting professor at the University of Oxford.

Schellnhuber has been professor at the University of Potsdam, Germany, where he was director of the Potsdam Institute for Climate Impact Research, and an external professor at the Santa Fe Institute in the US.

As a long-standing member of the Intergovernmental Panel on Climate Change which was jointly awarded the 2007 Nobel Peace Prize, Professor Schellnhuber has been a coordinating lead author of the synthesis chapter of Working Group II of the IPCC's Third Assessment Report. He has warned of dire consequences of continued global warming. As an expert on climatological tipping points, he is a public speaker on the subject.[5]


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Document:Gaslighting The Public: Serial Deceptions By The State-Corporate MediaArticleDavid CromwellOther than the ever-present risk of nuclear war, there is no greater threat to humanity than the climate crisis. And there is no more damning example of gaslighting by state-corporate media when they tell us we can trust governments and corporations to do what is required to avert catastrophe.


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