From 1940 to 1970, there was very slight global cooling. (johnquiggin.com)
Because in 1970 the planet stopped its very slight global cooling and began to undergo very slight global warming. (johnquiggin.com)
For example, making roofs and paved areas brighter in urban areas would have a very slight global cooling impact, but would also make urban areas more comfortable, reducing the «urban heat island» effect, and save tens of billions of dollars every year in air conditioning costs. (ceassessment.org)