The effects of the human population explosion:
- Human population is rapidly frowing, and the standard of living is rising.
- More waste is being produced. If not taken care of, it can pollute the water, air, and land.
- We reduce the land available for animals/plants by building/quarrying/farming and dumping waste.
We pollute the land in several different ways:
- Toxic chemicals such as pesticides and herbicides can pollute the land.
- If sewage is not treated & handled properly, it can pollute the water.
- Fertilisers and toxic chemicals can be washed from the land into the water and pollute it.
- Sewage & fertilisers can cause eutrophication in waterways.
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