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Q: Pollution of rivers, lakes and seas is a major concern for people who seek to protect the environment.

What are the possible causes of water pollution, and what effects does this have on animal life and human society?

A:

Nowadays, a major concern of the environment is rivers, lakes and oceans are polluted. This is a big task for people whose purpose is protecting the environment. This problem can be caused by many sources and the consequences it brings to human society and animals is very large.

To begin with, there are a large number of factors responsible for polluting rivers, lakes, and seas. Firstly, harmful substances and chemicals from factories are poured directly into the water, making it impossible to live. Secondly, in some countries are not having a waste-treatment system, people have to throw garbage into the sea as a solution for the inability of handling waste.

Because of the severity of water pollution in rivers, lakes and seas, many unprecedented effects have appeared on animals and people. For example, many aquatic animals would not lose their habitat unless their living areas are contaminated. Moreover, people in some places depending on waters on rivers, lakes and seas may struggle from the lack of fresh water, which plays a vital role in their lives. As a result, water pollution affects animals and people's lives seriously in both accommodating and feeding aspects.

In conclusion, factories and people take the responsibility of harming water sources that destroy animals' habitats as well as influencing citizens' lives nearby.