In the 1970s they said parts of the earth would be uninhabitable do by the year 2000.
Key word: 'Suggest'.
LOL!!! The keywords here are actually "No Cite"! You haven't actually proved that what "they said" the 70s isn't true!!! Are you saying that ALL parts of the world that were inhabitable in the 70s are inhabitable now? You better get busy, if you expect to prove that.