[myko]

It is downvoted because it is dangerously incorrect. It is not a reasonable opinion, though it is calmly delivered.

Yes, climate has always changed. The current rate of change, caused by mankind, is extreme: https://xkcd.com/1732/

[GiorgioG]

I love the certainty you have. I only wish I could be as certain as you with planet-scale systems.

[myko]

Which bits are you unsure of? Are you concerned the data regarding historical temperatures is incorrect?