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How does water get polluted? Discover what water pollution means for the environment and how it affects humans.Key facts
- Industry, agriculture and sewage all contribute to water pollution.
- Eutrophication occurs when nutrients in fertilisers change the balance of aquatic ecosystems.
- Pollutants from sewage can kill aquatic organisms.
- Industrial waste can make its way into our water and ultimately harm humans.
Transcript
70% of the Earth is covered by water.
It's an essential resource for life, and its pollution is a global problem.
When harmful substances find their way into rivers, lakes and seas, water quality is reduced.
This harms aquatic life, as well as human health.
Many species can't survive in polluted water, ...
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