Water pollution is the contamination of water bodies such as lakes, rivers, oceans and beaches. This occurs when large factories dump their waste products into the water. Water has the ability to carry many pathogens and bacteria. Because of this, water is responsible for many deaths and illnesses. This fact was discovered a long time ago when many people fell sick, and after tests, it was realized this was because of the drinking water. People, even back in the ancient times, would suddenly become ill and not know why. All the water they drank was contaminated with innumerous germs. Water pollution has not gotten any better. In reality, it has become much worse, and has progressed into an extremely serious situation. Some say that water pollution is not a problem, and that it doesnt threaten or even affect human life on earth. It is said that the earth will just absorb all of the pollution, and we will no longer have to worry about it. Pollution does not just disappear. However, the toxins in the water are absorbed, but they dont go away. An effect of this is acid rain, which will be explained later. The more contamination the earth sucks up, will only increase global warming because the viruses will only live in the earths crust and filter through the air. Water pollution is a problem, and its been a problem for a long time.Not the Essay You’re looking for?GET A CUSTOM ESSAY Back in the ancient times, water purification was strongly advised, and many cultures all around the world took part in it. Suggestions for methods to treat water first came up in 2000 BC. In 500 BC, Egyptians used the principle of coagulation. Coagulation removes dirt and other fragments in the water. Alum and other chemicals are added to water to attract the dirt particles. The dirt then becomes heavy enough to sink to the bottom and is easily cleaned out. The next major step in water purification started in 300 BC when Rome built the first aqueducts. The Romans created aqueducts to bring a water from far away into large cities and towns. In order to keep the towns clean, waste water was released into nearby bodies of water. Although the future for water treatment was looking hopeful, beginning in 500 AD, or the Dark Ages, there became a lack of scientific breakthroughs and experiments. Roman empires destroyed most of the aqueducts and Europe saw a dramatic change in their water supply and sewage systems. The poor sanitation caused epidemics throughout medieval towns in Europe. People quickly found out that water transmitted several diseases. The most common diseases discovered were cholera, dysentery, typhoid fever and diarrhea. Due to the lack of water sanitation, these pathogens spread rapidy to different countries and cities. In the late 20th century, the biological hazards transmitted by water emerged in the post modern Western world. Today, roughly 10,000 people die every day caused by lack of safe water and adequate sanitation.
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