Tuesday, January 28, 2020
The Water Crisis In South Africa
The Water Crisis In South Africa South Africa is currently facing a water crisis. Our sources are scarce and they are constantly being polluted and exploited by unsustainable practices in areas such as agriculture and industry. Unless realistic goals and solutions are used to manage the water supply, we will become increasingly reliant on obtaining water from external sources. Sources of Water South Africas water resources have always been very limited, and with increased population, the demand for water has also increased. This puts a lot of strain on South Africas water supplies because 65% of the country gets less than 500mm of annual rainfall. This rainfall is inconstant and is often contaminated by silt and erosion. There are various areas where South Africa stores and extracts water. Most of the water we use comes from surface run-off (9 500 million m3/year of the total of 12Ã 871 million m3/year), about 78.5%. Most run-off from rainfall is held in dams such as the Gariep dam, the Vaal dam and the Sterkfontein dam. 66% of water in main rivers is not used for economic or social purposes but remains in the rivers. Another source of water is groundwater held in aquifers. This water is transported by underground pipe systems. It can also be brought to the surface by digging wells or building boreholes. Groundwater supplies about 10% of our national water supply. Becaus e South Africa does not have the resources to supply the countrys water demand, we import extra from Lesotho. This may result in dependency on countries such as Lesotho. Long term plans such as desalinisation of seawater could be used to supply water, but solutions such as this one are very expensive and difficult to do. Availability and Distribution Distribution of water in South Africa is very uneven as there is a shortage of water in the west but an abundance in the east. This is due to the warm Mozambican current that flows along the eastern shore in South Africa, contributing to humidity and heavy rains. The cold Benguela current runs along the west coast reduces the amount of water held in the air. The South Indian High Pressure is also located along the east coast. The high pressure brings high amounts of rainfall to the eastern side of South Africa. The South Atlantic High Pressure also brings rain to the western side of the country but only in winter when mid-latitude cyclones are present. These factors cause a huge difference in the amount of rainfall experienced on either side of the country, resulting in rainfall higher than 500mm in the east, and lower than 500mm in the west. Because of this huge inequality, water in South Africa is very scarce and not readily available, causing us to import water from other countrie s such as the aforementioned Lesotho. Water supply in cities is also lower than in rural areas. For example, in Cape Town, because rainfall is scarce in the summer and spring seasons, water for domestic and industrial use is pumped into the city by underground pipe systems. A lot of the water in South Africa cannot be utilized as it is either salty seawater or it has been polluted by people, industry and agricultural practices, negatively effecting availability in the country. Usage by Economic Sectors Water is utilized by three main economic sectors; agriculture, factories and forestry. In agriculture, which uses 64% of South Africas available water, water is used for irrigation and livestock. Using it for crop farming can be damaging because the water is polluted by chemicals such as insecticides and pesticides. This infiltrates into rivers and groundwater and can reduce South Africas available water resources. 29% is used in factories and manufacturing. This can also be harmful as the water is mixed with poisonous chemicals such as nitrates before being released back into the environment. The other 6% of water used in the economic sector is used in forestry. It is used to irrigate forestry plants for companies such as SAPPI who produce paper and the like, until the forest is well enough established to grow and thrive without irrigation. The water that is used in the economic sector reduces the amount of water that can be used domestically. The water used in these sectors is also often utilized in unsustainable manners, as it returns to the environment containing pollutants. Another economic sector which utilizes water unsustainably is the mining sector. Mine shafts often become flooded and excess water from the mines is released back into the environment containing highly toxic pollutants and sediment from the mines. Management and Solutions There are multiple ways in which water can be used sustainably. Agricultural sectors can reduce the amount of fresh water they use by using grey water from areas such as drain pipes to water crops and gardens. Grey water can also be used in toilet systems. The forestry sector can use sustainable practices such as planting indigenous trees which use less water than alien species such as gum trees. To conserve water in the household, public messages could be sent out by the government and municipalities to shower instead of bath, and to avoid planting alien species in their gardens, such as roses and pansies. The government could fund new projects such as the construction of new dams which would be used domestically, in industry, for irrigation and for hydroelectric power. However, this does have a negative aspect to it, as dams are very expensive to build and can often be damaging to the surrounding environment if not designed properly. Another step which could be taken to conserve So uth Africas water is wetland conservation. Wetlands can regulate pollutants and diseases carried in water. Wetlands reduce erosion, they purify water and they contain bacteria which break down organic compounds. They also prevent droughts and floods which saves the government about R21 million. Wetlands also help regulate river flow which is where we get most of our usable water from. Another form of managing water is Water harvesting. This involves collecting rain water during a storm and preventing it from running off. Not only does this prevent erosion, but this water can then be used for agricultural purposes instead of fresh river water. This is a cheap, easy practice which can be implemented on all farms. A simple way to prevent water wastage is by controlling unnecessary losses. These can come in the form of pipe leaks and wasteful irrigation methods. Water pipes should be strictly monitored and regularly checked to ensure that no water is being lost through leakages. Irrigat ion methods such as canals and spraying are unreliable, because while the water is in the canals it can infiltrate into the soil or evaporate before it reaches the crops so extra water has to be used. Spray irrigation is unreliable as the wind can blow the spray away before it reaches the crops. Methods of irrigation such as drip irrigation should be implemented as it is much more efficient Conclusion Although water resources in South Africa are currently being over-exploited and unsustainably managed, there are multiple methods of conservation which can be implemented to improve South Africas permanent water supply.
Tuesday, January 21, 2020
Reasons to Learn CPR Essay -- essays research papers
Have you ever thought about what you would do if a family member suddenly stopped breathing? Imagine that you grow up in a small town, the population is 700 people, and one morning you wake up and everyone in the town is dead. On any given day 670 people die of sudden cardiac arrest. Could it be a loved one, someone you care deeply for, or just a complete stranger? The chances are that someone in your family is going to die of sudden cardiac arrest in your lifetime. On average it takes an ambulance no less than seven minutes to reach someone in need, therefore, every adult should know how to administer CPR. Brain death starts to occur four to six minutes after someone is attacked with cardiac arrest, so you should immediately begin with assessing the victim?s airway. You should start out by shaking and shouting at the victim to check his or her level of responsiveness. If the patient does not respond, you should then call 9-1-1. After placing the call, bare the victim?s chest of all clothing and open his or her airway. To open to victim?s airway, you should use the head-ti...
Sunday, January 19, 2020
Analysis of the Cuban Missile Crisis Essay -- History, Nuclear Weapons
The Cuban Missile Crisis remains an example of one of the most terrifying events in history for the people of the world. A very real threat existed for the crisis to escalate and create World War III, which would include the annihilation of countries and cause unimaginable damage from the use of nuclear weapons by the United States and the former Soviet Union. The conflict had historical roots in the Cold War between the United States and the former Soviet Union, as well as in the history of relations between the United States and Cuba. The strife between the United States and Cuba culminated when Fidel Castro overthrew a government publicly supported by the United States, although political and military officials in the United States secretly welcomed the events. However, it soon became clear that the takeover of Cuba by Castro would result in escalating conflict between it and the United States, something that quickly became more evident in the Bay of Pigs invasion and Operatio n Mongoose; both designed to eliminate Castro from the political field in Cuba. The Soviet Union supported Castroââ¬â¢s regime and Cubaââ¬â¢s stand, and forced its hand with the placement of nuclear missiles on the island. The United States countered, and the two countries played out their hands to determine the fate of the world. In the end, the United States and the Soviet Union came to an agreement, both sides attempting to avoid a nuclear war. To this day, the way in which the threat was diffused remains an important model in studying how to avoid future conflicts that threaten the world. The history of relations between the United States and the former Soviet Union paved the foundation that would culminate in the Cuban Missile Crisis. The battles b... ...s a model in many ways for how not to handle negotiations; many of the benefits of studying this event, in fact, are to identify how to do just that, as well. Although the outcome was ultimately positive and nuclear war was avoided, the tactics and countermoves of the United States and the Soviet Union had the potential to backfire and cause nuclear destruction. The conflict with the United States and Cuba contributed to the tension between the United States and the Soviet Union. Each country was attempting to solidify its power as not just a superpower, but the superpower of the entire world. As a result of this, one of the most terrifying events in the history of the world, even today, emerged ââ¬â The Cuban Missile Crisis ââ¬â and we still use it today as an example to prevent any possible errors that might once again escalate to create an event of such severity.
Monday, January 13, 2020
Enhancers and inhibitors Essay
If you donââ¬â¢t know the topic that the service user wants to discuss then just for the sake of it you shouldnââ¬â¢t carry on the conversation as your lack of understanding may not be guiding them in the right direction, so you should then find someone who can help sort out their issue and leave them in someone elseââ¬â¢s care. Therefore enhancing safety/security because if you are informing the service user how to go about sorting out a medical issue and you are not qualified to diagnose them but you still make them think they have some life threatening disease and they donââ¬â¢t by doing this you are putting their safety at risk. Effective communication can be enhanced if the service user knows that the professional does not know what he/she is talking about they may not want to talk about personal problems if they feel they are not being taken seriously. Timing is a key aspect of communication as if you donââ¬â¢t have enough you shouldnââ¬â¢t rush through a conversation either rearrange the timings so you have enough or sort out another date when you can meet properly and talk through the matter, as this is the more professional way of handling time problems. Healthcare professionals shouldnââ¬â¢t discuss personal matters in unprofessional settings. For example where there is a lot of background disturbance and this could affect the way in which the service user would talk to you and how much of their personal problems they would share down a busy corridor shouting over people. In order to enhance the service usersââ¬â¢ care values/rights it is important that the care worker maintains the dignity, privacy, safety/security and effective communication of the service user in this situation. The care worker can maintain the service usersââ¬â¢ dignity by not shouting medical complications that the service user might have across people as this may not make the service user feel very comfortable especially if they are with friends or family. By using a private consultation room to discuss any concerns the carer or service user may have is a better way to enhance the service usersââ¬â¢ rights. Shouting personal problems across public places can put the service usersââ¬â¢ safety/security at risk as this would decrease their trust in the carer. When you consider all these aspects discussed above you can gain the service users trust and respect and this is a good, open relationship to have between a service user and a care worker enabling the service user to be able to talk to the care worker about any problems they may have to share their concerns about. Having good relationships with your clients is very important because the service user wonââ¬â¢t have to feel a barrier between them and can open up to the care worker more easily. Password protection is also crucial as no one should know your password other than you and it must be changed regularly as if certain information gets into the wrong hands then it can be used unprofessionally and this is breaking the Data Protection Act. This enhances confidentiality, privacy and safety/security. It enhances confidentiality because by using passwords and changing them regularly it makes it harder for personal information to get into the wrong hands. If certain personal documents/information does get into the wrong hands then this could put the service usersââ¬â¢ safety/security at risk. Having different formats is also essential as there are people who have various impairments and they would need to access the same information as people who donââ¬â¢t have these impairments and they can be as leaflets in Braille or other languages. This enhances effective communication and choice as you are providing everyone who may need to use the same facilities as other people who donââ¬â¢t have impairments or communicating problems with the correct format that they would understand. If some hospitals/doctors surgeries donââ¬â¢t cater for the needs of these different needs and requirements it may be seen as an inhibitor to communication.
Saturday, January 11, 2020
Moral panic
The public has always used the Mass Media as the primary source of information about most topics especially crime. The Mass Media has the power to convey messages and ideas to a large audience but how truthful or factual these messages are has long been a debate of sociologist, due to news broadcast being so criminogenic for example, Ericson et al (1987). ââ¬Å"Study of news-making in Toronto found that a remarkably high proportion of news was about deviance and control.Ranging from 45. % in newspaper to 71. 5% on radio stations. ( Maguire,Morgan and Reiner 2012, p. 248) Therefore this use of Media may create fear amongst the public which in turn causes ââ¬Å"Moral panicâ⬠and ââ¬Å"Folk Devilsâ⬠. Therefore I will outline and Illustrate the term ââ¬Å"Moral Panicâ⬠and the effect it has on the public, also aiming to show the role the Media plays in creating panic. ââ¬Å"Moral panicâ⬠is a term used to describe groups or subculture as a threat to the way of lif e for society's, norms and values.There are several organisations who claims a oral breakdown such as the ââ¬Å"Mass Media, Politicians and churchesâ⬠(Tim Newburn 2013, p. 96). Stanley Cohen's research into the Mods and Rockers gave a clear view of the media classifying these subcultures as deviant and creating panic amongst the public. Cohen's had three main ideas to illustrate how ââ¬Å"Moral Panicâ⬠was created during the 1960s. Firstly Exaggeration and Distortion. ââ¬Å"The exaggeration of seriousnessâ⬠¦. the proportion engaged in violenceâ⬠. Secondly Prediction. â⬠Media coverage regularly assumed events would be even worseâ⬠.Lastly Symbolisation â⬠Mods and Rockers appearance became associated with delinquency and deviant behaviour. (Tim Newburn 2013, p. 97). This indicates that the Media's use of emotive language used in broadcast and newspapers created ââ¬Å"Folk Devilsâ⬠of these subcultures and wide scale panic in Britain and subs equently creating stigma towards Mods and Rockers. However there has been criticism of the ââ¬Å"Moral Panicâ⬠Theory. Jewkes (2004) states that the audience may not be as receptive to the ââ¬Å"Moral Panicâ⬠as Cohen mentioned. Tim Newburn 2013, p. 101).This indicates that the public are more aware of issues in society and are able to think rationally without becoming fearful of news reports. Secondly ââ¬Å"an occasional over-reading of the extent of ââ¬Å"panickynessâ⬠in media representationsâ⬠. This demonstrates that Cohen had no real evidence to prove that ââ¬Å"moral panicsâ⬠created panic amongst society, as it would be difficult to measure the level of concern throughout communities. To conclude ââ¬Å"Moral Panicâ⬠may sometimes be created by the Mass-Media through the se of emotive and sensationalised heading to make a story more entertaining or appealing to its audience.Through this process they create fear amongst the public and stigmat ize subcultures which in turn may cause these social groups to be the truth out for themselves and come to their own conclusion without relying on the media as a primary source of information.
Sunday, January 5, 2020
The Legal And Moral Ethics Of Assisted Suicide - 1323 Words
Evaluation of the Legal and Moral Ethics of Assisted Suicide When we are born we are told that we have free will, either by some form of higher power, or some other greater force. As such, it appears reasonable that one would have some preconceived right to choose whether or not they seek death in the case of a terminal illness. This choice to hasten our death for much of the world is not truly ours to make, with adversaries of assisted-suicide opposing the legalization of such acts, we are forcing beliefs onto others who prefer to pass at a time of their own choosing, and not be faced with the undignified process of dying caused by their illness. Who our ââ¬Å"weâ⬠to make choices and hold the same standards for everyone, shouldnââ¬â¢t there be aâ⬠¦show more contentâ⬠¦Ã¢â¬Å"In the ancient civilization of Rome, suicide was not punishable if it was caused by impatience of pain or sickness, or by weariness of life . . . lunacy, or fear of dishonor. The Roman philosophy was that for one ââ¬Å"[t]o live nobly also means to die n obly and at the right time (M. Mikula. L. M. Mabunda.,1999).The Chinese had similar views to the Romans. As Ping-Cheung Lo a professor of philosophy at Hong Kong Baptist University explains the early Chinese Confucian ethics state that ââ¬Å"biological life [i]s not the highest importanceâ⬠¦.One should give up oneââ¬â¢s life if necessary, either passively or actively, for the sake of upholding the cardinal moral values of ren and yiâ⬠. (Ping-Cheung, Lo., 1999) Chinese believe in upholding the qualities of Ren and Yi known as, benevolence and justice as these qualities were seen as the supreme virtues in life, and governed how one should live or die. In pre-modern China, killing oneself for oneââ¬â¢s one sake was considered immoral, however taking oneââ¬â¢s one life for the sake of another, was not only quite common, but was considered admirable. The Chinese also believed a form of self-regarding suicide, or suicide to save oneââ¬â¢s self from humiliation or di sgrace was also accepted in traditional Confucianism, and even in more modern China. Yet, the Greek philosopher Socrates did not share the same views as the Romans, or the Chinese. Socrates was considered the first philosopher to debate the morality of suicide. Employing the
Friday, January 3, 2020
Social Context and Tobacco use - 1239 Words
A personââ¬â¢s social context affects many aspects of their lives, including the usage and non-usage of tobacco (Poland et al, 2006). An individualââ¬â¢s social context includes the following: race, gender, resources, education, income, neighborhood, employment, occupation and many more aspects of their environment (Hints). Tobacco use and social context go hand and hand as one affects the other since there is high relevance between the two (Poland et al, 2006). In order to see the broader dilemma of tobacco use, society must incorporate and examine the larger picture of how an individualââ¬â¢s environment plays a major role in tobacco use (Poland et al, 2006). Uneven social and geographic distribution of resources in society contributes to tobaccoâ⬠¦show more contentâ⬠¦Another scale that can be used is a tobacco use questionnaire that will look at the history of tobacco use for each individual. The study of the variables social context and tobacco use can result in providing insights to many more health issues that United States is being faced with and improve the social resources that individuals have. Nominal Tables: Statistics --TU-02. How often do you now smoke cigarettes? --DM-05. Which one or more of the following would you say is your race? N Valid 2615 5397 Missing 2971 189 --TU-02. How often do you now smoke cigarettes? Frequency Percent Valid Percent Cumulative Percent Valid Every Day 786 14.1 30.1 30.1 Some Days 229 4.1 8.8 38.8 Not At All 1599 28.6 61.1 100.0 Dont Know 1 .0 .0 100.0 Total 2615 46.8 100.0 Missing System 2971 53.2 Total 5586 100.0 --DM-05. Which one or more of the following would you say is your race? Frequency Percent Valid Percent Cumulative Percent Valid White 4430 79.3 82.1 82.1 Black 481 8.6 8.9 91.0 Asian 110 2.0 2.0 93.0 American Indian Or Alaska Native 141 2.5 2.6 95.6 Native Hawaiian Or Other Pacific Islander 17 .3 .3 96.0 Refused 42 .8 .8 96.7 Dont Know 176 3.2 3.3 100.0 Total 5397 96.6 100.0 Missing System 189 3.4 Total 5586 100.0 Interval Tables: Descriptive Statistics N Minimum Maximum Mean Std. Deviation --TU-02. How often do you now smoke cigarettes? 2615 1 9 2.31 .913Show MoreRelatedEssay Cash Crop: The Silent Killer847 Words à |à 4 Pagesin humanity. Tobacco Companiesââ¬â¢ love of money causes them to continue to promote and sell tobacco products even though these products are excessively harmful to their customers. During advertising campaigns, tobacco advertisers research people most likely to use their product and target that audience by mentioning the positives of using tobacco. 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