I thought this article has great detail a writer could weave into the Post Oil and Climate Fiction stories.

https://www.bbc.com/travel/article/20211013-an-underwater-mystery-on-can...

It never ceases to amaze me how much damage we did when we colonized the American continents, both North, Central and South, to the indigenous tribes and cultures. I wonder how different our own culture would have been now, had we respected theirs then.