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Abstract This article argues that the protection of ‘community interests’ in international law includes intertemporal obligations of States, in cases where it is scientifically foreseeable that preserving the ‘status quo’ of a protected community interest is increasingly unlikely. The argument is developed for climate change as a ‘common concern of humankind’ and based on the premise that even if a temperature limitation of 1.5°C would be achieved towards the end of this century, future generations will nevertheless live in a world that has fundamentally changed due to current policy and law choices. The article introduces the new concept of ‘intergenerational preparedness’ to operationalise and expand the normative scope of the principle of intergenerational equity. While some argumentative structures will be examined where intergenerational preparedness can be given effect through legal interpretation, the expectation that States must adopt preparatory measures to account for their community interest obligations deserves a more explicit recognition. It is a matter of the (environmental) rule of law to protect community interests on a time continuum, and this encompasses measures to prevent the deterioration of protected interests and to prepare communities for foreseeable detrimental changes.
Petra Minnerop (Wed,) studied this question.