The carbon cycle is speeding up (IMAGE) University of Innsbruck Caption First author Kathiravan Meeran conducts measurements at the Icelandic test site near a geothermal rift line. Credit Universität Innsbruck Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. License Original 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.