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A safe operating space for humanity

Johan Rockström, Will Steffen, Kevin Noone, Åsa Persson, F. Stuart Chapin, Eric F. Lambin, Timothy M. Lenton, Marten Scheffer, Carl Folke, Hans Joachim Schellnhuber, Björn Nykvist, Cynthia A. de Wit, Terry Hughes, Sander van der Leeuw, Henning Rodhe, Sverker Sörlin, Peter K.Snyder, Robert Costanza, Uno Svedin, Malin Falkenmark, Louise Karlberg, Robert W. Corell, Victoria J. Fabry, James Hansen, Brian Walker, Diana Liverman, Katherine Richardson, Paul Crutzen, Jonathan A. Foley Nature, Vol 461:472-475 (2009)


SUMMARY - New approach proposed for defining preconditions for human development - Crossing certain biophysical thresholds could have disastrous consequences for humanity - Three of nine interlinked planetary boundaries have already been overstepped

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Keywords: climate change, biodiversity, nitrogen cycle, phosphorous cycle, ozone depletion, ocan acidification, global freshwater use, land use change

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