Essay on Cause and Effect

1775 Words Jun 15th, 2012 8 Pages
Assignment 3.1: Determining Causes and Effects – Draft Version

English 115

Known as the Laurentian Great Lakes for its connection to the St. Lawrence River, the lakes combined make up nearly 20 percent of the world's fresh water (Latham, Wright, & Tsang, n.d.) Lakes Erie, Huron, Michigan, Ontario, and Superior are 5 lakes that provide food, jobs, and recreation to the surrounding regions reaching into two countries. The New York Times (2010) also estimate more than 30 million people are the recipient of potable water from the lakes. With over 3.2 million harvestable fish worth an estimated 4.8 million dollars, Lake Huron is important to the fishing industry. According to McCrimmon (2002), Lake Huron alone has over 117 species
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Originally, many did not understand the effects of dumping waste into water sources. There was no understanding of what various chemicals would do to the food source within the lakes and ultimately the environment. The lakes were used as a dumping ground in the hopes that the water would dilute any waste and eventually get rid of it. This practice continued for decades and only began to slow down as the idea of environmental conservation spread. A study done by the University of Michigan (Latham et al., n.d.) points out The Clean Water Act of 1972 was the first true governmental attempt at cleaning up water sources and keeping them clean. In some instances, damage had already been done to both the lake and its inhabitants. Riley’s (2008) report documenting the complete extirpation of some fish and the diminishing presence of lake sturgeon supports this. These point-source pollutants have provided some of the most destructive effects on Lake Huron. The source of this type of pollution has been verified in most instances. Point source pollution is traceable back to a delivery point such as the exit point of a sewer pipe from an industrial plant. (Latham, n.d.) Fish and wildlife have been on a steady decline in both presence and health due to poisoning from harsh pollutants. The Great Lake Information Network (n.d.) website details some of the types of waste such as deadly mercury, fecal matter, pesticides, and

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