that was 1989.
It didn't work on that generation, but now we have an extremely poorly educated generation who has further been indoctrinated through our corrupt grade school, high school, and university system.
A scam is always just waiting for the right audience.
Link: https://dailycaller.com/2015/03/12/un-said-global-warming-would-wipe-out-entire-nations-by-2000-15-years-ago/