The difference lies in that unlike Brundtland’s statement
OD does not fall back unmistakably on the ‘survival of this
planet’ by an ecology which will ensure this survival. That
is why Brundtland’s concept of sustainability is not
replicable one-to-one in OD and that is also why OD and its
agents need to first and foremost identify which ‘planet’
they wish to sustain for that planet to survive.