"As placed in the press by the same think tanks upselling tobacco" - yes.
Paid for and spun as media confusion by powerful oil and resource extractors, such as but not limited to the Koch brothers, yes.
As a reaction to the late 1960 papers on CO2 impacts being taken seriously by world forums - yes.
But an actual significant number of atmospheric scientists and global modellers "panicking" about glacial expansion of the ice age we're currently in (you know, an ice age being any era during which ice covers the poles) ... uhhh, no.
Mainly as that didn't happen.
I remember them referencing global cooling on science Friday on NPR as late as 2005
https://www.reddit.com/r/skeptic/comments/1hajzg9/here_is_th...
The cooling was from nuclear war.