Climate Feedback

Plant power

Why carbon dioxide concentrations over the past 24 million years or so have never dropped below 200 parts per million, despite environmental conditions that have been favourable for CO2 drawdown by rock weathering and sedimentation, has always been a bit of a mystery. 

BACK TO ARTICLE

Tell a Friend

Please ensure that your friend is content to receive an email from us with a link to the article. Select the following link to view our Privacy Policy.

BACK TO ARTICLE