“The Larry Niven / Jerry Pournelle book Fallen Angels was pretty prescient.
Environmentalists take over, seeking energy usage reduction even as the ice advances.
They had it down to hatred of science fiction unless it was message fiction and the push to water down sciences so there are less works by white men.”
Here’s the wiki on it:
https://en.wikipedia.org/wiki/Fallen_Angels_(science_fiction_novel)
It’s for sale on Amazon:
http://www.amazon.com/Fallen-Angels-Larry-Niven/dp/0743471814
There is a pdf copy of it online here:
211.67.126.10:85/dmtzy/yy/7/wwdzs/wlc/77.pdf
See also Rainbow 6 by Clancy and State of Fear by Crichton
Thank you.