Journal cover Journal topic
Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
Hydrol. Earth Syst. Sci., 21, 3455-3461, 2017
https://doi.org/10.5194/hess-21-3455-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Opinion article
12 Jul 2017
HESS Opinions: A planetary boundary on freshwater use is misleading Maik Heistermann
Publications Copernicus
Special issue
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Short summary
In 2009, the "planetary boundaries" were introduced. They consist of nine global control variables and corresponding "thresholds which, if crossed, could generate unacceptable environmental change". The idea has been very successful, but also controversial. This paper picks up the debate with regard to the boundary on "global freshwater use": it argues that such a boundary is based on mere speculation, and that any exercise of assigning actual numbers is arbitrary, premature, and misleading.
In 2009, the "planetary boundaries" were introduced. They consist of nine global control...
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