In this video Paul Andersen explains how water quality can be degraded by pollutants. Wastewater is the main source of water pollution and can be measure using the BOD (biochemical oxygen demand). Dead zones, cultural eutrophication,...

Join a marine scientist as they uncover shocking evidence of pollution off the Los Angeles coast. Explore the impact of pollution on the environment and learn about the urgent need for solutions.



Plastic and Chemical Pollution...