In the coastal waters of Florida and beyond, scientists are racing to understand the causes and consequences of toxic algal blooms. These microscopic organisms, which can turn the water a vibrant red or green, pose a significant threat to marine life and human health alike. As researchers deploy sophisticated underwater technology to track these blooms, they are uncovering the complex interplay between human activity and the natural environment, highlighting the urgent need for effective monitoring and management strategies to protect our oceans and communities.