Love it when it snows

"NO ! Humans do NOT require CO2! CO2 is in fact as far as humans are concerned the same as CO, carbon monoxide."

Yeah right Einstein we only require CO2 if we want our blood Ph level in the normal range and oxygen and hemoglobin to bond correctly so we can survive.

CO2 & us: https://www.lenntech.com/carbon-dioxide.htm

Check out the last paragraph under Environmental Problems.
It's a real knee slapper. Also, it's role in humans is nicely explained.

All the best,
Nonoise

"Only robot need logic to think, i need only walking" Groucho Marx

Interesting article, nonoise.  Thanks for posting it.

Seeing as how trees would soak up the overabundance of CO2, you must be in favor of The Orange Man's agreement to the planting of a trillion trees, no? 

https://www.washingtonexaminer.com/policy/energy/trump-pledges-to-help-plant-1-trillion-trees

Frank

That's like saying humans "like" oxygen.

How much oxygen does a human really require?