Biological Aerosols (IMAGE) American Geophysical Union Caption This model shows how cloud seeds may interact with a phytoplankton bloom and weather events, eventually rising to the atmosphere. Credit AGU 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.