Here are
several images comparing the same sites between a few decades ago and nowadays. These show some dramatic changes that have occurred in our planet as revealed by these incredible NASA images. Really puts things into perspective, doesnt it?
The anthropocene has arrived. And it is irreversible. If geological history is any guide, the outcome for us is not going to be good. (Which is why guys like Stephen Hawking are now urging us to populate other planets, to increase our chances of survival).