Oops, forgot H1N1 pandemic that I've not known one person to contract which turned out to be no worse than the average flu, although it's vaccine is still being regularly promoted on TV ads.
All nuclear power could cause the China syndrome, Chernobyl notwithstanding (think Russian crap). 3 mile island was nothing.
Oh, and that AIDS would spread throughout the straight community and kill millions upon millions in the USA. Supplying a gazillion condoms to third world cesspools was the answer against aids AND the population explosion. BTW, Haiti has warehouses full of condoms that are taking up space for much needed subsistence supplies. Just read that the other day.
Feel free to add to other "political scientific" and "doomsayers'"predictions that never came true.
The list goes on and on how so-called esteemed scientists and scholars have been so wrong.