Marine debris may be intentionally dumped, accidentally dropped, or indirectly deposited (carried via waterway discharge from onshore). Whatever the origin, marine debris is a direct result of human activities on land and at sea. At work and recreation, we all need to do our part not to contribute to the problem.
Depending upon its makeup, marine debris may sink to the seafloor, drift in the water column, or float on the surface. Certain debris, such as plastics, or glass can persist in the marine environment for hundreds of years. The effect on the visual or ecological environment is significant..