"climate cooling" refers to a decrease in Earth's average temperature over a significant period of time. It means the overall weather patterns and conditions become colder than they have been in the past. Full definition
As time passed, the global climate cooled, with ice ages coming and going. (discovermagazine.com)
And the billion - dollar + government - funded climate model (s) that actually predicted this very inconvenient climate cooling outcome. (c3headlines.com)
Given their evolutionary history, coral's greatest achievement has been enduring bouts of sustained climate cooling and rapid temperature swings. (landscapesandcycles.net)