Quote:
Originally Posted by The Dad Fisherman
I'm still wondering how they KNOW what the CO2 levels were 3,000,000 years ago. "Know" being the key word
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And how did that happen without humans burning fossil fuels. And why did it get better. And what are all the other myriad and unknown parameters that caused it all, and are those the same parameters that exist today. And could it all revert back to those conditions after millions of years of changes in the planet and the solar system and the universe.