CO2 in Earth’s atmosphere nearing Pliocene levels
New study reveals that by 2024/2025 levels of atmospheric CO2 will be higher than any point in the last 3.3 million years.
Pliocene
CO2 and Trees at South Pole
During the Pliocene sea level was a lot higher and there were Antarctic forests. CO2 was also 400ppm – we are on a journey back to that.