Johan Rockström (born 31 December 1965) is a Swedish scientist, internationally recognised for his work on global sustainability issues. He is the joint director of the Potsdam Institute for Climate Impact Research (PIK) in Germany, together with economist Ottmar Edenhofer. Rockström is also chief scientist at Conservation International. He is Professor in Earth System Science at the University of Potsdam and Professor in Water Systems and Global Sustainability, Stockholm University.
Rockström has pioneered work on the planetary boundaries framework, first published in 2009. The nine planetary boundaries presented in the framework, from climate to biodiversity, are argued to be fundamental in maintaining a "safe operating space for humanity."
Rockström was executive director of the Stockholm Environment Institute from 2004–2012, and director of the Stockholm Resilience Centre from 2007–2018.
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