I strong-upvoted this comment. I found the beginning of the comment particularly helpful:
Scale of WAW is big because it encompasses millions of sub-problems. But unless you are looking into destroying nature (which is politically infeasible and I don’t want to do it), you are looking at things like a particular pigeon disease, or how noise from ships affects haddocks. And then the scale doesn’t look that big.
I strong-upvoted this comment. I found the beginning of the comment particularly helpful: