Caribbean Sunset (IMAGE) Smithsonian Tropical Research Institute Caption Aerosols from volcanic activity and from pollution cause slow coral growth according to models based on coral cores from Panama and Belize. Credit STRI 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.