1. Pollution
SNC1D

2. Pollution: harmful contaminants released into the environment

3. Pollution: harmful contaminants released into the environment
e.g. pesticides
vehicle exhaust
product packaging

4. Acid Precipitation: precipitation that has been made more acidic than usual by the reaction of certain chemicals in the air with water vapour

5. Acid Precipitation: precipitation that has been made more acidic than usual by the reaction of certain chemicals in the air with water vapour

6. Effects of Acid Precipitation:
1. acidification of aquatic ecosystems

7. Effects of Acid Precipitation:
1. acidification of aquatic ecosystems
neutralizing: treating with a base to counteract the acid
e.g. liming a lake

8. Effects of Acid Precipitation:
1. acidification of aquatic ecosystems
2. damage to vegetation

9. Effects of Acid Precipitation:
1. acidification of aquatic ecosystems
2. damage to vegetation
3. corrosion of buildings and vehicles

10. Effects of Acid Precipitation:
1. acidification of aquatic ecosystems
2. damage to vegetation
3. corrosion of buildings and vehicles
4. health problems
(most related to sulfur dioxide & nitrogen
oxides breathed in

11. Effects of Acid Precipitation:
1. acidification of aquatic ecosystems
2. damage to vegetation
3. corrosion of buildings and vehicles
4. health problems
5. soil nutrient depletion

12. Water Pollution:
Oil Spills: oil is toxic, slow to break down, and difficult to clean up

13. Water Pollution:
Oil Spills: oil is toxic, slow to break down, and difficult to clean up (because its density is less than that of water, it forms large slicks that cover the ocean and beach)

14. Water Pollution:
Oil Spills: oil is toxic, slow to break down, and difficult to clean up (because its density is less than that of water, it forms large slicks that cover the ocean and beach)
Bioremediation: the use of micro-organisms (bacteria) to consume and break down environmental pollutants

15. Water Pollution:
Plastics at Sea: plastics take thousands of years to break down

16. Water Pollution:
Plastics at Sea: plastics take thousands of years to break down

17. Water Pollution:
Plastics at Sea: plastics take thousands of years to break down
Gyres: massive islands of plastic in the oceans
Digging into the Great Pacific Garbage Patch