> Left unchallenged, the increasing rate of change could see the CO2 concentration increase to about 1000ppm by 2100. https://www.imperial.ac.uk/grantham/publi

> Left unchallenged, the increasing rate of change could see the CO2 concentration increase to about 1000ppm by 2100. https://www.imperial.ac.uk/grantham/publications/briefing-papers/what-ancient-climates-tell-us-about-high-carbon-dioxide-concentrations-in-earths-atmosphere.php https://www.imperial.ac.uk/grantham/publications/briefing-pa...