The examples usually given are more general "messing with the environment"
You know what's the most radical "messing with the environment" thing that humans ever did?
It's called agriculture.
I think it turned out pretty well.
That is extremely controversial for some reason.
And that reason is unclear to you?
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.