Global Carbon Cycle (IMAGE) University of California - Santa Barbara Caption This graphic shows the global carbon budget with black arrows and values reflecting the natural carbon cycle and red the anthropogenic perturbation. Credit Courtesy of the 2007 IPCC report Usage Restrictions None 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.