:The use of the words climate change is going up in its usage in books: [https://books.google.com/ngrams/graph?content=%22climate+change%22&year_start=1800&year_end=2022&corpus=en&smoothing=3 Frequency of the words "climate change" in books]. | :The use of the words climate change is going up in its usage in books: [https://books.google.com/ngrams/graph?content=%22climate+change%22&year_start=1800&year_end=2022&corpus=en&smoothing=3 Frequency of the words "climate change" in books]. |