This article does not encourage urgency at all. Reading this gives me the impression that we still have 100 years - if anything happens at all.
When it might happen: It could already be underway.
When it might happen: The timing will vary place to place. The effects on global warming could accumulate over a century or more.
... and so on.
But for these particular problems that might be true. Let's see who will be around to witness all these maybes.
This is the juicy bit:
TBF, I wonder if that's limited to Americans.