Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater), very often by human activities.
In conclusion what can we do to protect animals? is important remember that they are living creatures and we must to think in our actions about their habitats, specially for the animals that live in rivers, ocean, sea, or any place with water, because we are the principal cause of the pollution in the rivers, oceans and sea we leave at risk of extinction some species of animals that living in the water and at the same time we pollute one of the most important resource in the earth that we also need.