A power to dispose of estates for ever is manifestly absurd. The earth and the fulness of it belongs to every generation, and the preceding one can have no right to bind it up from posterity. Such extension of property is quite unnatural.
It used to be said that Pluto is a misfit. But now we know Earth is the misfit. This is the most populous class of planet in our solar system and we have never sent a mission to this class.
We have heard the rationales offered by the nuclear superpowers. We know who speaks for the nations. But who speaks for the human species? Who speaks for Earth?