Extinctions are not only caused by humans. Yes, humans have caused their fair share of extinctions. But that is because we often learn a new technology before we learn how to manage it responsibly. That coupled with the fact that greed will often keep us blind to our own lack of manageability. Because we often look inordinately to short term financial accounting for our idea of manageability, rather than taking other aspects into account as well.
I know, noguru, it is a travesty, these extinctions. BTW, did you hear about the gravitational ripples that I mentioned a few days ago. They hit the newspaper today. Maybe 2morrow, it'll be in your newspaper or on your news station. I don't know where you live. I live in Phoenix, AZ. You are a fellow Christian, so I'm proud of you for hanging onto your religion through it all.
God's Blessings For You, noguru,
Michael