At the risk of sounding horribly sacrilegious, has anyone else ever wondered if "The Garden of Eden" isn't Earth itself? And if our banishment from "The Garden" didn't come about when we started considering ourselves so smart and special that we became convinced we were smarter than nature, better than any other species on Earth, able to design "better" than nature, and therefore we began to consider ourselves free to destroy and desecrate our planetary home for the feeblest of excuses?
Hubris. "Pride goeth before a fall." I think our tendency to think ourselves god-like gets us in major trouble in so many ways.