Marine Pollution Pollution is the introduction of harmful contaminants that are outside the norm for a given ecosystem. “The introduction by man, directly, or indirectly, of substances or energy to the marine environment resulting in deleterious effects such as: hazards to human health, hindrance to marine activities, impairment of the quality of seawater for various uses and reduction of amenities.”-UN definition of marine pollution Common man-made pollutants that reach the ocean include: pesticides, herbicides, chemical fertilizers, detergents, oil, sewage, plastics, and other solids.

1. Marine Pollution

2. At the end of the lesson, the students will be
able to:
a. Define marine pollution
b. Appreciate the importance of the
ocean to our lives
c. Create ways to minimize the effects of
marine pollution
Objectives

3. What is Pollution?
Pollution is the introduction of harmful
contaminants that are outside the norm for
a given ecosystem.

4. What is Marine Pollution?
“The introduction by man, directly, or
indirectly, of substances or energy to the
marine environment resulting in deleterious
effects such as: hazards to human health,
hindrance to marine activities, impairment
of the quality of seawater for various uses
and reduction of amenities.”-UN

5. Common man-made pollutants that reach
the ocean include:
 pesticides,
 herbicides,
 chemical fertilizers,
 detergents,
 oil,
 sewage,
 plastics,
 and other solids.

6. Major Marine Pollutants
Heavy Metals are a great concern because
they enter the food chain
Metal

7. Major Marine Pollutants
Plastic debris kills 100,000 marine mammals
and 2 million sea birds die annually.
Solid Waste

8. Major Marine Pollutants
Birds and mammals become coated with oil
Oil

9. Major Marine Pollutants
Algal bloom cause death of marine creatures
Biological

10. Effects of Water
Pollution
Death of aquatic animals

11. Effects of Water
Pollution
Disruption of food-chains

12. Effects of Water
Pollution
• Typhoid
• Amoebiasis
• Ascariasis
• Diarrhea
• Hepatitis
• Respiratory
Infections
• Polio
Diseases

13. Effects of Water
Pollution
Destruction of ecosystems

14. Solutions to Pollution
Two main methods:
• Correction – costly and time intensive
• Prevention – requires attitude changes