Volcanic Vents (IMAGE) University of Adelaide Caption This is a healthy kelp forest in the present-day CO2 levels. Credit Ivan Nagalkerken, University of Adelaide Usage Restrictions For use with story about this research License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.