>Habitat destruction, chemical pollution, mining, mineral and fossil fuel depletion, water depletion and contamination, farming practices and monocultures, human interference, etc., are all just horrific, are responsible for massive destruction and extinction of the environment, and aren't all suddenly going to get magic'ed away the instant we somehow get the GHG pollution thing under control (if we ever do).

is claiming broad relation to population being above some threshold, since the whole comment is about overpopulation.