We're well past threatened. We're already in the midst of one of the major extinctions.

Lots of species will survive no matter what we do, but humans are among the delicate majority.

I realize this is subjective, but to me, biodiversity is obviously far and away the greatest thing in the known universe. It's astounding we (humans in the aggregate) care so little for it.

Are they always? My partner was nearly loosing her marbles because someone threw a ball into a thermal vent in NZ (I agree it's unsightly and lame). Or that science show was throwing bag of soap every day to trigger a geyser in Rotorua.

It's like mostly poisonous gas and water, chill down!