And of all those major changes in the earth's history, are you aware that the current trend is vastly faster than what we saw before?
The Paleocene–Eocene Thermal Maximum was described as a "drastic" event, when temperature changed 6C over 20,000 years. At our current rate, we'd see that in less than 500 years.
Here, because you like to spam links:
See if any of the arguments you have show up on here!