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Mining and its effects on the environment
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With an increasing global demand for metals, mining corporations have to scale up their mining operations in order to meet that demand at the expense of the environment. The enormous demand originates from mining’s essential role in society to produce various products designed to benefit the populace. These products range from small handheld devices that aid in everyday life or large machines that supported the foundation of society. However, mining leads to a variety of byproducts that affect the environment, for better or for worse. These byproducts are often composed of chemicals and metals not seen in nature. Some chemicals do not pose any significant threat to the environment, while others are toxic to animals and plants and can take years to clean up.
Addressing the issue of regulating mining waste disposal is imperative due to the potential damage mining waste can cause to the environment. Mining waste are composed of undesirable heavy metals as well as solvents and compounds used to extract ores chemically. These chemicals are often not natural to the environment and can cause significant damage to various parts of the body. For example, the metals present in mining waste, such as arsenic, manganese, lead, and cadmium, have been shown to alter dopamine release in rats. The study, published in 1998, demonstrated that “rats exposed to mining waste released more dopamine, less DOPAC, and less HVA by about 15, 50, and 55 pentagram per microliter, respectively, compared to rats not exposed to mining waste when release [of dopamine] is stimulated” (Rodriguez, et.al 489). It is important to notice that these metals only compose a fraction of mining wastes, and that mining industries produce more waste than what is exposed to the ...
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...danao Philippines.” Science of the Total Environment 354.1-2 (Feb 2006): 198-211. Web.
Pastor, Nuria, Raquel Baos, Miguel Lopez-Lazaro, Roger Jovanni, Jose L. Tella, Habil Hajji, Fernando
Hiraldo, and Felipe Cortes. “A 4 Year Follow-up Analysis of Genotoxic Damage in Birds of the Donana Area (Southwest Spain) in the Wake of the 1998 Mining Waste Spill.” Mutagenesis 19.1 (2004): 61-5. Web.
Rodríguez, Verónica M., Leticia Dufour, Leticia Carrizales, Fernando Díaz-Barriga, and Maria E.
Jiménez-Capdeville. "Effects of Oral Exposure to Mining Waste on in Vivo Dopamine Release from Rat Striatum."Environmental Health Perspectives 106.8 (1998): 487-91. Web.
Struckhoff, Matthew A., Esther D. Stroh, and Keith W. Grabner. “Effects of Mining-Associated Lead and Zinc Soil contamination on Native Floristic Quality.” Journal of Environmental Management 119.4 (2013): 20-8. Web.
Throughout this mining process, a byproduct is created called chat. The chat is leftover rock and waste from mining that did not contain the desired materials. The chat was left on the site because the Bureau of Indian Affairs thought it could be of value to the Quapaw tribe (1). This product contains high levels of toxic lead and other harmful chemicals. It is estimated that there are 75 million tons (150 billion pounds) of chat piles remaining exposed to the environment as well as numerous flotation ponds that haven’t been taken into account (4).
Objectives • To evaluate the difficulty of mining and reclamation To calculate costs, expenses, income, and profit from a hands-on mining exercise. • To evaluate the effectiveness of reclamation and its added costs to mining. To describe the increasing rarity of some non-renewable mineral resources. Introduction Minerals play an important role in our day-to-day life, but we often do not contemplate how the minerals are obtained. Minerals are scattered all over the world, just like any other resource.
White, R., Feldman, R., and Travers, P. Neurobehavioral Effects of Toxicity Due to Metals, Solvents, and Insecticides. Clinical Neuropharmacology, Vol. 13, No. 5, 1990, pp. 392-412.
8) Meiri, H., Banin, E., Roll, M., Rousseau, A. Toxic Effects of Aluminum on Nerve Cells and Synaptic Transmission. Progress in Neurobiology, 40: 89-121 (1993).
Question: In considering the monetary estimates of childhood lead poisoning prevention, list and note the relative importance of the categories of costs and benefits that need to be considered is projecting a cost/benefit ratio. Use a standard housing remediation approach for those expenses. Where does the balance lay? What are the options and barriers to moving it forward?General Effects of Childhood Lead Poisoning When lead in inhaled it, the lead could be deposited in the bones where some essential body function occurs e.g. blood formations, calcium absorption. Lead is also transported in blood stream and deposited in muscle and nerves and blood vessels. The deposition of lead in these organs systems eventually results in the malfunctioning of these organs. These malfunctions could include decrease in bone and muscle growth/co-ordination, damage to the nervous system and other organs of the body. (KidsHealth, 1995-2010) The above mentioned effects could also impair breakdown and use of nutrients by the body, decreased hearing ability. In addition, it affects child growth, in the sense that it has been shown that children with higher blood lead levels may on average be shorter than their genetic potential by 1cm.Effect of Lead on cognition and Behavior of Children: Lead poisoning have been identified as one of the factors responsible for cognitive deficits and mental illness among children. There has been shown a correlation between Blood Lead Level and cognitive functioning in children and infant (Bruce P. Lanphear, 2005). Bruce P et al in a study of Low-level environmental lead exposure and children's intellectual function, showed an inverse relationship between blood lead concentrations and IQ score...
The premise of Theo Colborns’ research was to find the connection between the rising incidences of cancer and environmental contamination in the Great Lakes region. However, during field and laboratory studies, Colborn discovered that there was no direct link between the contamination and cancer. However, Colborn did find reoccurring patterns of abnormal behavior and deformed offspring amongst the wildlife populations in the Great Lakes region. Elevated levels of polychlorinated biphenls (PCBs), pesticides dieldrin, DDT, lindane and chlordane were found during tissue analysis of the wildlife in the Great Lakes region (Colborn et. Al 1996). These elevated levels were found in offspring of the wildlife who appeared to be healthy. This supported Colborns’ hypothesis that these contaminations disrupt hormones produced by the endocrine system during growth and development, which will then cause physical and behavioral abnormalities in the fetus.
Lead is considered to be a toxic heavy metal. It occurs naturally in the Earth’s crust. However, it tends to combine with other elements to form lead compounds. (Registry, 2011). Moreover, it has no known function in the body and with excess accumulation, either acute or chronic, will cause a wide array of metabolic dysfunctions by interfering with normal metabolic functions (Analytical Research Laboratories, 2012). From a historical standpoint, most human beings if not all have accumulated some lead in their bodies over the course of their daily lives. In extreme cases, that is, when there is too much lead in the body it is known to cause lead poisoning. In order to fully understand this phenomenon, one must first acknowledge; how lead enters the body, how it is distributed, and how and if it is eliminated.
Lins, C., & Horwitz, E. (2007). Sustainability in the Mining Sector. Retrieved November 6, 2017, from http://www.fbds.org.br/IMG/pdf/doc-295.pdf
CHEMICHALS: Scientist have defined hundreds of chemicals that can cause cancer in animals. These chemicals are also a cancer hazard for human beings if they become widespread in food supply, the general environment, or the living and working environment. In most cases, a chemical carcinogen enters the food supply as a food addi...
For hundreds, even thousands of years, human beings have mined for metals and stones, and with the advent of greater technology as well as greater needs, the demands for these resources continue to grow. While these resources benefit our lives in many ways, the effects of mining can be detrimental, and one such effect is the topic of this essay, acid mine drainage (A.M.D.). The causes of A.M.D. will be discussed, along with some of the physical and biological problems associated with it. Some prevention and remediation treatments will also be considered.
Though it has had many negative impacts on the environment in the past, mining is a vital industry completely necessary to our economy and lives. Nearly every item we use or encounter in our day to day lives is mined or contains mined products. Without the excavation of such materials things like computers, televisions, large building structures, electricity, and cars would not be possible. Virtually every technological and medical advance uses minded materials, without which millions would suffer. Some examples of minerals in the home include the telephone which is made from as many as 42 different minerals, including aluminum, beryllium, coal, copper, gold, iron, silver, and talc. A television requires over 35 different minerals, and more than 30 minerals are needed to make a single personal computer. Without boron, copper, gold and quartz, your digital alarm clock would not work. Every American uses an average 47,000 pounds of newly mined materials each year, which is higher than all other countries with the exception of Japan, which is a staggering figure representative of our dependence and need for mined minerals. Coal makes up more than half of nation’s electricity, and will continue to be the largest electrical supplier into 2020 & accounting for some 95 percent of the nation's fossil energy reserves – nine of every ten short-tons of coal mined in the United States is used for electricity generation. As the population of the world grows more mineral resources must be exploited through mining in order to support the rising demand for such products. Though it may present a hazard to the environment and those physically located nears the mines, the materials extracted from mines...
Many animals such as rats, mice, dogs, cats, birds, and monkeys are forced endure unnecessary pain due to animal testing. It is inhumane to use animals for toxicity testing because the animals are left to suffer or die after they are used. According to an online article, “some are forced to inhale toxic fumes, others are immobili...
Also, when soil in and close production ranges turn out to be unclean due to dumping of excess material, such terrestrial cannot be used for farming processes. Pollution is also caused by iron and steel mills; zinc, lead, and copper smelters; municipal incinerators; oil refineries; cement plants; and nitric and sulphuric acid plants. Soil pollution is mostly due to elements in herbicides (wild plant killers) and pesticides (toxins which kill flies and other invertebrate mice). Litter is unused material put in public places such as streets, parks, picnic areas and near shops. The addition of waste intimidates the wellbeing of individuals in housing areas. Waste decays, heartens domestic rascals and goes urban places into unappealing, unclean and unhealthy areas to live in.( (Michael
In our days, mining for resources is inevitable. The resources we need are valuable in everyday life. Such resources mined up are coal, copper, gold, silver, and sand. However, mining poses environmental risks that can degrade the quality of soil and water, which can end up effecting us humans if not taken care of and many of the damages are irreversible once they have occurred.
Wastes are the products of our consumptions in our daily life routines such as lunch, work, school and other things we do. Little things such as throwing out a piece of paper, we are producing waste by the seconds. After we consume a product we usually throw out what’s left that can’t be consumed any further. Results in producing waste, substance that are born after it’s been use or consume by us. At the end of each day we throw out a bag full of garbage, all of the materials in that bag (paper towels, cans, leftover foods and many other material’s) all of these are waste. Hospitals produce medical waste such as use needles for treating patients. Corporations produce papers, plastics, tires, steels, cans and many other type of solid waste which contribute to the pollutions that cause health risk and other environmental issues.