The scientific use of both terms has been around since the 80s, and is pretty well-settled, with climate change evolving from "inadvertent climate modification"

The scientific use of both terms has been around since the 80s, and is pretty well-settled, with climate change evolving from "inadvertent climate modification" which was the go-to term in the 70s. The memo you are referring to happened well over 20 years later. The term was not created by Frank Luntz. >In the 1980s, the terms global warming and climate change became more common. Though the two terms are sometimes used interchangeably,[24] scientifically, global warming refers only to increased surface warming, while climate change describes the totality of changes to Earth's climate system https://en.wikipedia.org/wiki/Climate_change#Terminology https://en.wikipedia.org/wiki/Climate_change#Terminology https://web.archive.org/web/20100809221926/http://www.nasa.gov/topics/earth/features/climate_by_any_other_name.html https://web.archive.org/web/20100809221926/http://www.nasa.g...