Also, "natural" is kind of suspect. Nature evolves on its own, even without human involvement. Returning a piece of land to its state from a hundred years ago n

Also, "natural" is kind of suspect. Nature evolves on its own, even without human involvement. Returning a piece of land to its state from a hundred years ago necessarily means not leaving it in the state it would have reached without us. Treating "natural" as a near-synonym for both "past" and "good" is almost Luddite in its implications.