I lived in a city for about a decade, and recently moved out to a far suburb of that city. I was shocked at how far light pollution has come in just that time... you can hardly see the stars at all. It's not hard to imagine, should humanity be lucky enough to continue thriving, that in a few generations things like visible stars, green spaces, wild animals... will be something left for stories. I wonder if those generations which grow up without them will even know enough to miss them?