Note that the latter part is an ad-hominem, and what it puts forward (that I'm "smarter than NASA") was nowhere in my message (not even implied). So I might not be "smarter than NASA", but you (or at least your comment) are ruder than needed.

As to the point I made. NASA presents the Disney version for a lot of reasons, not because of lack of smart people there. Two main ones:

One is that they are a government agency, and need to be political (e.g. balance the pressure from those that discard the climate impact altogether and "meet them in the middle").

Second, is that in such a public pronouncement they tend to be conservative and err on the side of caution.

As for the countries that have already experienced an "apocalyptic future":

https://www.theguardian.com/environment/2016/may/10/five-pac...

Here's another:

https://eu.usatoday.com/story/news/world/2018/07/24/pakistan...

And the migrant crisis that affects tens of millions (and a project 1 billion until 2050) is strongly affected by climate change already...

https://eu.usatoday.com/story/money/2019/07/10/disease-flood...