Southeast Florida's St. Lucie Estuary (IMAGE) Florida Atlantic University Caption Massive amounts of toxic green slime covered parts of the 7-mile-long inlet linked to a coastal river system. These particular freshwater Microcystis blooms (and toxins) are increasing in estuaries and coastal waters around the world and are expected to expand in scale and intensity with global climate change. Credit Bob Hogensen, Martin County, Florida Usage Restrictions Credit: Bob Hogensen, Martin County, Florida 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.