##They wouldn't.
They wouldn't.
We have overwhelming data that climate change is a real thing that is going to have real repercussions. But a significant number of people pretend the data isn't real. They cook up vast conspiracy theories to explain the science, rather than believe the science. (See also: evolution; age of the universe; Big Bang theory. Etc.)
When people are faced with a new idea that runs counter to their personal beliefs, their first response is to deny that new idea. Sometimes violently.