Address these environmental issues and you will address every issue known to man. And we keep dabbling in things that aren't really that important in the long term.
I didn't want to get back into the whole industry. I left overworked, overwhelmed, and not having any control over my life. I was bulimic and needed to heal.
If we do discover more than one type of life on Earth, we can be fairly certain that the universe is teeming with it, for it would be inconceivable that life started twice here but never on all the other earth-like planets.