Black Carbon and Climate (IMAGE) International Geosphere-Biosphere Programme Caption This shows black carbon processes in the climate system. Credit American Geophysical Union 2013. Credit D. W. Fahey Usage Restrictions With credit 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.