The world that we live is changing pollution city, and it's getting a lot worse. The pollution is made up of air pollution, soil pollution and water pollution. First, air pollution is produced by cars or factory. Second, soil pollution is caused by wastewater of factory soaks the earth. Final, water pollution is originated from water that was used at home or factory.
And now we can see the cause of water pollution. Water pollution consists 3 parts. First of all, there is industrial water pollution. It is not harmful for us directly, but the fish or meat that we can eat drink water pollution. So if we eat food that is bad we'll get a disease. We can find the 2 representative examples in Japan's history. That accidents was happened in Japan's fishing village. One of these is called minamata. This disease was caused by mercury. Those who were infected with mercury didn't live like past.