With climate change the way it is there is a 100% certainty of revolutionary conditions. Some countries will go fascist, some will be won by the left.
You need to look at the weather happening in the phillipines right now to understand this. 45 celsius.
Parts of the world are to become uninhabitable. This is a fact. Hundreds of millions of people are to be displaced.
The fascism that will descend to try to prevent this will not succeed. The scale of it is too much. They will not be able to control it. They will try but they will fail.
Revolutions under those conditions are inevitable. Shit is going to get really really crazy. What we are going to see is entirely without precedent.
Revolution will occur not because of popular support for socialism but out of societal collapse amid turmoil and unrest.