There's this show on like the science channel or something, i can't remember the name now, but it was like showing what happened in the US after everyone leaves. Mother Nature took back the whole areas where cities once stood. in under 100 years, the continent was then repopulated by animals who have escaped the decaying zoos sometime before, and in 200 years, the Hoover Dam breaks, the Statue of Liberty crumbles, and there is barely any trace that we were there. I found it interesting how quickly nature bounces back: after a forest fire it takes the affected area just ten years to look like id did before. :{B
Well its funny you bring this up, because if all of the HUMANS just left earth, Nature will