Pollution & the Environment Essay Example | Topics and Well Written Essays - 500 words

Pollution & the environs - Essay ExampleWater may be polluted when pollutants come from point or non-point sources. Non-point sources complicate those sources that are non-discrete or that do not originate from one discrete source. Non-point pollution arises from the cumulative resultant role of contaminating agents in little quantities over a large area. When nitrogen compounds found in fertilizers, herbicides, pesticides and former(a) agricultural products leach out, it can easily acquire pollution. Sheet flow over land apply for agriculture may lead to pollution of weewee as the nutrients that were present in soil flood in storm urine. Point sources of pollution are those sources that come from discrete sources. For example, when a manufacturing company discharges enthusiastic pissing from its cooling system into a river, lake or other water body making the water body to become warm, pollution occurs from a point source.There are a wide grip of agents that may cause wate r pollution. Some of these pollutants include pathogens, chemicals, and physical changes to the natural characteristics of water. While some minerals of course occur in water, when their concentration in the water goes beyond the natural limit, the water is considered to be contaminated. Also, when substances that cause oxygen to be depleted in water such as man-made chemicals, grass and leaves, water pollution occurs.Pathogens or disease causing organisms such as Salmonella, Giardia lamblia, Burkholderia pseudomallei, and Cryptosporidium parvum may get into the water when destroyer water or sewage is not adequately treated (Tennessee Department of Environment and Conservatio, 2002). Chemical contaminants of water may include detergents, petroleum hydrocarbons, volatile organic compounds (VOCs), products used for disinfection and waste from tree logging operations. inorganic water pollutants include sulphur dioxide that is