Comment Baking in the wrong kitchen (Score -1, Troll) 49
When life on Earth was the most abundant, is when CO2 was substantially higher than it is now, and it was also much warmer.
That depends on the layout of the continents of the time. When in the "wrong" spot, we had vast deserts, not jungles.
And humans from Northern latitudes are not well adapted to jungles. It would be ironic if Caucasian's own pollution makes Caucasians obsolete.