1. Some types of pollution are air pollution, water pollution, land pollution, noise pollution, and light pollution.
2. Activities such as industrial waste dumping, agricultural run-off, and sewage discharge can cause water pollution.
3. Water pollution can lead to the death of aquatic animals and plants, loss of biodiversity, contamination of food sources, and diseases.
4. Dumping waste and poisonous chemicals into rivers can lead to severe water pollution and harm aquatic life. It can also contaminate water sources for human consumption and harm human health.
5. Overuse of plastic bags can lead to a pile-up of non-biodegradable waste in landfills and oceans, endangering wildlife and marine ecosystems. It can also contribute to unnecessary resource and energy consumption in the production and transportation of single-use items.