There is a place in the Google playgrounds that will tell you how frequently a word or phrase is used in Google searches. This place is called Trends. See it here:
Playing around tonight, I compared 3 phrases:
I was surprised, “climate crisis” is rarely searched for. This does not mean the term is not used. It just means that no one searches for it.
“Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it’s the only thing that ever has.” – Margaret Mead
“Conclusion: There is no substitute for direct climate action“ – Assaad Razzouk