Well, let me try to explain my self, the explanation above was in a figurative form, or the way I feel the things are going to be, when there are not going to be woods, no more seas, no more clean rivers, because the cost of civilization, so human been is going to "evolve" as usual, I when my sons goes to the last park, they are going to need something like a mask to breathe.
Hope I have explain my self