This is the same as it was about 5 - 3 million years ago in the pliocene age. You know, the one when we had vast tundra-like areas, and animals were much bigger, the climate warmer, and there was much less summer ice at the poles.
Since we have Cee O two-ed ourselves here* in only about 200 years, the world weather systems and climate now has to catch up with this new atmosphere.
You will probably be around to watch it begin.
Dr Maureen Raymo explains the implications:
The carbon dioxide levels in our Earth's atmosphere have increased more than 20% in my lifetime.
Might it be a REALLY good time to go on a LOW CARB(on) diet!?
I'm getting my bike out of the shed. It will be good for my fitness too!
*and we continue to pump 2% more CO2 every year.