We have to have a lot of inaction to get to that point from here, but it's possible.
But the economy and society can change suddenly. People denying anything is wrong keeps it going. Everything is fine until it isn't, then change can come suddenly. USSR I think is a good example of this.
The economy will run until the constraints make it fail. This already happens now sometimes. We just have the means and the methods to fix it, or prevent it. Global warming will cause those constraints and our abilities to change and the economy is not just magically going to keep going, unless climate change is deterred.
Lack of food, lack of money, lack of stable government, etc. I think these are all conditions for civilisation ending. I don't think it will go from the stability we have now to no stability over a very long period. It will be like a pendulum and it will oscilate until one thing becomes too many and it will be the straw that breaks the camel's back.
I want to make it clear I'm saying this is only a possibility, and only if no change occurs. I don't think is the most likely outcome, merely that it's possible.
'On 23 January 2020, the Clock was moved further, to 100 seconds (1 minute 40 seconds) before midnight, meaning that the Clock's status today is the closest to midnight since the Clock's start in 1947. The Bulletin' executive chairman, Jerry Brown, said "the dangerous rivalry and hostility among the superpowers increases the likelihood of nuclear blunder... Climate change just compounds the crisis".'
I think many can appreciate that the lack of appreciable action on climate change is at least as worrisome as the the threat of a nuclear exchange and it is looking increasingly likely we will miss our 1.5-2 degree targets.
The threat of a nuclear catastrophe is higher now than it was during the Cuban missile crisis? That doesn't ring true.
>"Midnight" has a deeper meaning to it besides the constant threat of war. There are various things taken into consideration when the scientists from The Bulletin of the Atomic Scientists decide what Midnight and "global catastrophe" really mean in a particular year. They might include "politics, energy, weapons, diplomacy, and climate science"
It seems entirely reasonable that we're in more danger now than at sampled points before/after the Crisis - after all, it proved that the US and the USSR could manage to not blow each other up. There are more nuclear-capable powers today headed by less sensible men.
Also: "Because, you see, the clock is not a gauge to register the ups and downs of the international power struggle; it is intended to reflect basic changes in the level of continuous danger in which mankind lives in the nuclear age, and will continue living, until society adjusts its basic attitudes and institutions to the challenges of science."
How can you not take it seriously?
If you are told you are seconds from annihilation all the time, someone is playing with your emotions.