If new species are emerging, how come we're worried about others going extinct.
If new paintings are being painted, why should we worry if someone burns down the Louvre?
Extinction is worse than that, though --- the paintings in the Louvre were produced over a mere few hundred years. The biodiversity we're destroying now took a lot longer to produce and will take a lot longer to replace.
Well, according to evolution, the surviving species/changing species are better. Thus, you have humans, the better form of all of our animal ancestors.
No.
Perhaps you could let us do the sentences starting with "According to evolution ..." You know, we could tell you our point of view and you could tell us yours.