Conservation and Pollution Chapter 19 Conservation Conservation is
- Slides: 11
Conservation and Pollution Chapter 19
Conservation • Conservation is the protection, preservation and careful management of the environment.
Pollution • Pollution is the addition of any unwanted waste to the environment which causes harm.
Pollution • There are 3 types of pollution: – Air pollution – Soil pollution – Water pollution
Air Pollution • Air pollution is caused by burning fossil fuels like coal gas and oil.
Water Pollution • Water pollution is caused by fertilisers being washed from land into rivers and lakes. • Water pollution is also caused by oil spills.
Soil Pollution • Soil pollution is caused by acid rain, dumping of waste and overuse of fertilisers and pesticides.
Waste and Waste Management • Wastes are materials which we no longer need and have to be disposed of. • There are many sources of waste household waste, sewage, industrial waste, medical waste and nucleur waste.
Waste and Waste Management • In Ireland waste is disposed of through landfill and incineration. • Landfill sites can give rise to seepage of toxic materials into the ground. • Incineration releases toxic like sulfur dioxide into the atmosphere.
Human Effects on the Environment • Positive effects: • Maintaining green spaces (Parks, gardens) • Reducing energy needs by increasing insulation in homes and workplaces. • Using unleaded petrol instead of leaded petrol and smokeless fuels.
Human Effects on the Environment • Negative Effects: • Global warming due to the burning off fossil fuels. • Overuse of fertilisers and pesticides in farms.
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