global cooling
noun
- theory, especially during the 1970s, of imminent cooling of the Earth
Wiktionary
noun
- Global climate change in the form of declining average temperatures; which was conjectured in the 1970s.
“Some point out that global temperatures peaked in 1998 and have been falling since then. Indeed, several argue that a period of global cooling is on the way.”
“Many climate contrarians have seized upon these studies and magazine articles to argue that since climate scientists supposedly got their global cooling predictions wrong in the 1970s, they could be getting their global warming predictions wrong now.”