Water pollution severely harms ecosystems and human health, contaminating drinking water and causing diseases like cholera and typhoid, while destroying aquatic habitats through chemical toxins and oxygen depletion from excess nutrients, disrupting food chains and threatening biodiversity. It also devastates industries like fishing and agriculture, making water unsafe and reducing resources for communities. 

Water pollution severely harms ecosystems and human health, contaminating drinking water and causing diseases like cholera and typhoid, while destroying aquatic habitats through chemical toxins and oxygen depletion from excess nutrients, disrupting food chains and threatening biodiversity. It also devastates industries like fishing and agriculture, making water unsafe and reducing resources for communities. 

1, it was hard to go outside during the heatwave last week

2, air pollution in big cities can lead to serious health problems

1,unless this sell emergency kits,I'll check the other one

2,if you don't throw trash into the river, it will become more polluted

3,the factory is polluted because