Algae Bloom on Lake Taihu (IMAGE) Desert Research Institute Caption For more than two decades Lake Taihu has been stricken with toxic blue-green algae (cyanobacterium) blooms that have jeopardized the drinking water supply of more than 20 million people. Credit Desert Research Institute 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.