Like I said, we should probably care more, and generally speaking, we do, over time. I'm not suggesting we're perfect, that we haven't made any mistakes, or that we won't make any more - just that we're slowly learning how to do better.
> Be it waste handling, colonisation, industrial revolution, slavery, oil extraction etc etc.
Interestingly, most of these have seen lots of progress in reducing the harms - if not practically eliminating it altogether, such as with slavery.