Climate change really doesn't have an opinion on this. Here's a paper from the EPA:

"What Climate Change Means for Puerto Rico"

https://19january2017snapshot.epa.gov/sites/production/files...

As someone who believes climate change is fact, if I had the economic mobility to move my life away from such an area I would. Sorry if this seems harsh, but people much smarter than me agree that these areas are going to be prone to worse and worse conditions in the coming decades.

That’s your decision, which is distinct from whether other Americans should subsidize the economic consequence of your decision.