Make a difference on every dive with Portsmouth Scuba by becoming a citizen scientist! Join our Dive Against Debris® Diver Specialty course and learn how ocean plastic and trash cleanups help protect the vibrant underwater world we all love. This course goes beyond just cleaning up local dive sites—it’s about contributing to a global effort to tackle marine debris. Guided by one of our expert instructors, you’ll conduct a Dive Against Debris survey and transform your passion for diving into meaningful action. Together, we can keep our oceans healthier—one dive at a time.