Existing comment:
What Was the World Like
299 Million to 270 Million Years Ago?
CO2 atmospheric carbon dioxide fluctuated from less than it is today to 3 times higher.
Average global temperate was 8 degrees F (4.6 degrees C) lower - 12 degrees F (6.4 degrees C) higher than today.
Global sea level was 130-260 ft (40-80 m) higher than today. |