A small minority will be perfectly capable of "fixing" their bit with multi-billion-dollar storm surge protection, desalination, etc. Given that the rest of hu

A small minority will be perfectly capable of "fixing" their bit with multi-billion-dollar storm surge protection, desalination, etc. Given that the rest of humanity will be motivated by the threat of death, I wouldn't rule out total catastrophe. There are levels of survival you should not be willing to accept.