Monday, January 24, 2011

How does water pollution affect the environment and human beings

The effects of water pollution are far-reaching and affect not only the environment, but human beings and animals as well.Water pollution affects our oceans, lakes, rivers, and drinking water, making it a widespread and global concern. Numerous diseases, health problems, and even fatalities have been associated with water pollution.Water is considered polluted when chemicals, pathogens, or contaminants are detected.  Human beings have the most crucial impact on our water resources.  They also have the ability to control or eliminate water pollution.

Some water pollution effects are recognized immediately, whereas others don’t show up for months or years.Additional effects of water pollution include:
1) The food chain is damaged. When toxins are in the water, the toxins travel from the water the animals drink to humans when the animals’ meat is eaten.
2) Diseases can spread via polluted water. Infectious diseases such as typhoid and cholera can be contracted from drinking contaminated water.  This is called microbial water pollution.  The human heart and kidneys can be adversely affected if polluted water is consumed regularly.  Other health problems associated with polluted water are poor blood circulation, skin lesions, vomiting, and damage to the nervous system.  In fact, the effects of water pollution are said to be the leading cause of death for humans across the globe.
3) Acid rain contains sulfate particles, which can harm fish or plant life in lakes and rivers.
4) Pollutants in the water will alter the overall chemistry of the water, causing changes in acidity, temperature and conductivity.  These factors all have an affect on the marine life.
5) Marine food sources are contaminated or eliminated by water pollution.
6) Altered water temperatures (due to human actions) can kill the marine life and affect the delicate ecological balance in bodies of water, especially lakes and rivers.

 

 

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