[lazyjones]

> When cities like Mumbai and Dhaka will start to submerge, you can imagine the havoc that will cause.

Actually, no, I can't. This won't happen overnight, cities will just slowly move away from the coastline. It will take hundreds of years to cover such cities with water (if ever).

[bigbugbag]

Current estimations say this could happen around 2040-2050 and will happen before the end of the century. so not centuries but decades. And it will happen as the rise of sea level would not stop even if we stopped the increase of temperature instantly due to inertia.