Also, 2010 Russian forest fires[1] -> grain prices went up -> food prices went up -> hunger for the poor in Middle East -> Arab Spring (ah, remember when Twitter was saving the world?) -> European refugee crisis
https://www.nytimes.com/2010/08/06/world/europe/06russia.htm...
Global food prices are spiking now and we're also seeing protests around the globe. The quote is "Society sits 2 meals and 24 hours from anarchy." So any place there's drought or crop failure we'll see a lot of choas.
A lot of Covid skeptics call it a plandemic, i.e. manufactured crisis, I don't believe it myself, but if I were running a government I would be asking if we should have a permanent state of emergency (like in the book 1984) to prevent societal collapse...
Katrina displaced 1-1.5m immediately and about 200k never returned.
The upper estimates for 2050 is 1.2 billion displaced world wide.