"Global cooling" refers to a theory or concept that suggests a long-term decrease in the Earth's overall temperature. It implies that the planet would progressively get colder over an extended period. Full definition
His work predicts that we are entering a period of reduced solar output and are due for a period of global cooling in a few years. (climate-skeptic.com)
And that could be a small positive feedback for our current short - term global cooling trend. (jennifermarohasy.com)
But, it followed a period of global cooling from 1950s - 1970s, and before that an earlier period of global warming from 1920s - 1940s. (globalwarmingsolved.com)