at the end of recent ice ages, the concentration of carbon dioxide in the atmosphere started to rise only after temperatures began to climb.
at the end of recent ice ages, the concentration of carbon dioxide in the atmosphere started to rise only after temperatures began to climb.
carbon dioxide in earth's atmosphere:5
concentrations of co 2 in the atmosphere were as high as 4,000 parts per million (ppm, on a molar basis) during the cambrian period about 500 million years ago to as low as 180 ppm during the quaternary glaciation of the last two million years.