Realistic
From BurnZero
The majority of predictions about what will happen in the future are incorrect. However, what is good to be aware of is the average of their trajectory. In general, most come to the conclusion that the most impoverished areas will be affected worst due to their lack of ability to cope, notably starvation in India and Sub-Saharan Africa[1]. However, the most well off areas will not be immune.
United States
Water shortages on the West Coast of the US are already causing a migration towards Montana[2].
Southeast Asia
Flooding of the islands of polynesia.
You can delve further into these predictions here.