Blue-green algae growth (IMAGE) UK Centre for Ecology & Hydrology Caption Nutrient pollution can lead to the growth of harmful algal blooms such as cyanobacteria also known as blue-green algae, pictured. Credit UKCEH Usage Restrictions None 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.