Unfortunately the politics makes it comforting to believe (even though all the evidence points to natural origin - explained at length here and elsewhere). It

Unfortunately the politics makes it comforting to believe (even though all the evidence points to natural origin - explained at length here and elsewhere). It is so much easier to believe that the bad thing was made by bad people somewhere else, instead of confronting the reality that in fact we did it with our ever greater encroachment on the last remaining natural reservoirs - and will do it again, probably soon.