hadn't heard that as the reason...

In 2005, the National Academies of Sciences published a pamphlet that expressed the viewpoint that “climate change” was a more scientifically comprehensive description of what was happening to the planet. “The phrase ‘climate change’ is growing in preferred use to ‘global warming’ because it helps convey that there are changes in addition to rising temperatures,” it said.[1]

1-https://www.washingtonpost.com/news/capital-weather-gang/wp/...