It's always odd to me how people tend to think that human-created ecosystems are "freakish" or "unnatural". Humans evolved in the same environment as the ecosystems we're modifying. The buildings and cars and roads we make are made of materials we find on earth, similar to how birds build nests or ants make anthills. (Whether all the things we build are good and healthy for us and our environment is another story.) M…
Edit: If you on-board the assumption that all change is bad, you potentially open yourself up to a great deal of anxiety associated with that change.