What Causes Ozone Depletion In Sydney Australia Environmental Sciences Essay

What Causes Ozone Depletion In Sydney Australia Environmental Sciences Essay This report aim to show the affect and the harmful of ozone depletion in the world specific in Australia country, this report show some information about ozone depletion in Australia such as the history, definition, causes, health effect and why Australia must take care about this issue. At the end, ozone depletion is very big issue in the world because it has a lot of affect in plant, human also the animals so must take care about this issue and government must tell the population about the risk that result from ozone depletion and ask them to must reduce used the product that may case ozone depletion such as refrigerators. Introduction: Ozone is a gas that is naturally present in our atmosphere. Each ozone molecule contains three atoms of oxygen and is denoted chemically as O3. Ozone is found primarily in two regions of the atmosphere. About 10% of atmospheric ozone is in the troposphere, the region closest to earth. The remaining ozone 90% resides in the stratosphere, primarily between the top of the troposphere and about 50 kilo-meter altitude. It is commonly called the ozone hole because the ozone depletion is so large localized. A thinning of the ozone layer also has been observed over other regions of the globe, such as the arctic and northern middle latitudes. Ozone forms a layer in the stratosphere that absorbs dangerous solar ultraviolet radiation. Increasing amounts of man- made chemicals are accelerating the speed at which ozone molecules are destroyed. These ozone-destroying chemicals come mainly from chlorofluorocarbons (CFCs) used in a range of products from refrigerators and air conditioners to soft foams and cleaning solvents. Their quantities in atmosphere have been rising rapidly since the mid-1970s. For every 10 percent depletion of ozone layer, we can expect a 20 percent increase in ultraviolet radiation arriving at the ground in life-damaging wavelengths. This radiation could change genetic structure, alter immune systems, damage crops, disrupt the marine food web, and enhance greenhouse warming by affecting the carbon dioxide-absorbing capacity of plankton in the oceans. The incidence of human skin cancer could increase, and the sight of millions could be affected as more intense ultraviolet radiation damages eyes and causes cataracts. Plant growth may be inhibited by the extra ultraviolet radiation and crop yields may be reduced. How is ozone formed in the atmosphere? Ozone is formed throughout the atmosphere in multistep chemical processes that require sunlight. In the stratosphere, the process begins with the breaking apart of an oxygen molecule (O2) by ultraviolet radiation from the sun. In the lower atmosphere (troposphere), ozone is formed in a different set of chemical reactions involving hydrocarbons and nitrogen-containing gases. Why do we care about atmospheric ozone? Ozone in the stratosphere absorb of suns biologically harmful ultraviolet radiation. Because of this beneficial role, stratospheric ozone is considered good ozone. In contrast, ozone at earths surface that is formed from pollutants is considered bad ozone because it can be harmful to humans and plant and animal life. Some ozone occurs naturally in the lower atmosphere where it is beneficial because ozone helps remove pollutants from the atmosphere. Dose depletion of the ozone layer increase ground-level ultraviolet radiation? Yes, ultraviolet radiation at earths surface increases as the amount of overhead total ozone decreases, because ozone absorbs ultraviolet radiation from the sun. Measurements by ground-based instruments and estimates made using satellite data have confirmed that surface ultraviolet radiation has increased in regions where ozone depletion is observed. What Causes Ozone Depletion in Sydney Australia? Being in urban area that highly populated ozone depleting substances release heavily in Sydney. CFCs used by most of transportation and air conditioners along with commercial refrigeration equipment or air conditioners. Methyl chloroform release in the industrial factories of Sydney as a result of production. Health Effects: Skin and eyes affects by Ultraviolet radiation. Cancer is the most harmful diseases affect skin from the sunlight. By exposure Cancer is often brought to a mutagen, which can change the genes. Promotes chemical change in the DNA by Ultraviolet radiation is a well known mutagen. People over 40 years old are more likely to most skin cancers, when these people were children the actual damage that caused the cancer occurred. The highest incidence of skin cancer in the world is in Australia. With only .3% of the worlds population, they manage to account for 6 % of all lethal forms of skin cancer diagnosed globally. About 1200 people die each year in Australia as a result of skin cancer. Doesnt just cancer caused by Sunlight also painful sunburn, skin ages and eyes affected by radiation from the sun. Whats Being Done About Ozone Depletion? Damage to the earths protective layer has sparked unprecedented concern and action. Over 165 countries have signed the Montreal Protocol, an International agreement to phase out ozone depleting substances. As one of these countries, Australia continues to be a world leader in the phase out of ozone depleting substances, and is well ahead of the Protocol requirements. Sydneys approach has been based on a highly cooperative partnership between industry, the community, and all levels of government. since 1989,The manufacture, CFCs import and export, halon, and methyl chloroform have been controlled in Australia. Environmentally preferable alternatives are available for almost all applications and are gradually being switched to in Sydney. During 1990s the importation and production of CFCs stopped by the Australia. This saw the consumption of ozone depleting substances fall by 86%, from 832 Ozone Depleting Potential Tones (ODPT) in 1999 to 119 ODPT in 2009. This current level (119 ODPT in 2009) represents less than 1% of Australias consumption of ozone depleting substances in 1989. By about 2050, natural ozone production reactions should return to normal levels. We cant make enough ozone to replace whats been destroyed, but provided that we stop producing ozone depleting substances, Australiaà ¢Ãƒ ¢Ã¢â‚¬Å¡Ã‚ ¬Ãƒ ¢Ã¢â‚¬Å¾Ã‚ ¢s approach to disposal and destruction of ozone depleting substances Australia has developed a robust and functioning product stewardship programmed for the management of ozone depleting substances and synthetic greenhouse gases, which ensures the proper handling of these substances from their import into Australia through to their eventual disposal and destruction. It functions on the à ¢Ãƒ ¢Ã¢â‚¬Å¡Ã‚ ¬Ãƒâ€¦Ã¢â‚¬Å"polluter paysà ¢Ãƒ ¢Ã¢â‚¬Å¡Ã‚ ¬Ã‚  principle, with industry funding the scheme through a levy imposed on imports of bulk gases and gas contained in refrigeration and air-conditioning equipment. Fees from issuing licenses also assist the Australian Government in administering the various license schemes connected to the consumption of ozone depleting substances and synthetic greenhouse gases. In recent decades, the Australian Government has been implementing a highly effective national strategy for the recovery, management and disposal of haloes. Conclusion: In summary, Ozone depletion has further increased the risk that Australians already face from overexposure to UV radiation resulting from their outdoor lifestyle. In much the same way a cloud blocks the heat on a hot day, the ozone layer in the stratosphere blocks out the suns deadly ultraviolet rays. It acts as our planets natural sun block. As the ozone layer diminishes, the harmful rays increase along with the rates of skin cancer. At the end, ozone depletion is very important issue around the world because it causes a lot of diseases for human and even plants and animals, so must take care about this problem and try to tell the people about the harmful of the ozone depletion to take awareness and reduce used the items which may cause ozone depletion such as: refrigerators and air-conditioned. United Arab Emirates University Department of Science Environmental science subject Name: Nouf Ali Hamad Alkaabi ID: 200907697 Section : 54 Dr. Truck untitled.bmp

Hiring and Firing Essay

This essay will identify and discuss the different recruitment and selection practices of organizations in the UK and these practices will be compared to the counterparts in the rest of European Countries. The essay will also comment on the pitfalls in the UK organizations which have led to tied hands of the managers in these corporations. The terminating practices in the organizations of UK will also be discussed and the pitfalls will be compared to the companies based in the European Countries. This is the reason why fewer students are choosing IT related fields in their graduate degrees as there are no jobs available for the locals in these companies. This is a pitfall that has been dug by these IT companies themselves as they will not receive any talent from the local market if there is a restriction of off-shoring in the future (MarketWatch 2006). Poor Recruitment Practice in UK A people assessment company, Talent Q that helps employers in managing and recruiting talent, has found many companies and managers to be taking poor decisions routinely when hiring employees. There are many bad consequences of this poor hiring practice as the fall in productivity is equal to GBP 2,400 per annum for each worker who finds himself misplaced in a job which he does not want to do or is not capable of performing. Effectively, the aggregate amount goes up to GBP 5million per annum for the economy of UK (M2PressWIRE 2007). According to an official survey of Talent Q, 24 percent of the employees who were recruited were not asked to give an aptitude test and another 44 percent of the personnel who were hired were not short-listed using any personality test. Based on 25 years of academic research across many companies of large scale, these findings were processed through a model which is universally accepted. This model demonstrates the cast iron effectiveness of the assessment. The true extent of the issues for the employers became clear when these results were combined with salary data from Office for National Statistics. The CEO of Talent Q commented that the organizations often fail to employ people on the basis of aptitude test and personality test. However, employing people on the basis of gut feeling is by far the worst employment technique known, whereas many studies have shown that when employers use assessment techniques to find out the personaliy and aptitude of a person, they get much better results (M2PressWIRE 2007). Word of Mouth Recruiting The applicants who apply through word-of-mouth are found to be more suitable than the recruits obtained by advertising and are more likely to stay longer in the job. However, it is not always the case that the best candidate for a job is selected through word-of-mouth applications. This practice for recruitment is being practiced in the UK at higher rates among the senior levels and is known as headhunting. The objective of these seniors is to fill the higher paying jobs with the people whom they know or are there relatives (HRM Guide Network 2007). Promise of Bonuses The promise of bonuses while recruiting the employees has been the worst pitfall of the recruitment practices in the UK. Mercer Consulting has found through research that the overall pay of CEOs in the UK from bonuses has grown from 13 percent to 19 percent in 2004 (Mercer Human Resource Consulting 2004). There has been a major effect on the earnings growth rates in the UK because of the large number of bonuses that were paid in the recent years (Freeman 2002). This practice of attracting talent through offering bonuses does not guarantee a motivated employee. This ensures only that decisions are made by the employees that get him the bonuses and these decisions may harm the company in the long-run. The companies in the UK are also using bonuses as a tool for employee retention and this practice is becoming quite common in the UK economy. However, the new plan to attract new talent and to lay off the existing employees is not in the hands of the managers at middle or lower level. The senior management is most of the companies makes such decisions (Nisar 2007). Off-shoring in the UK Many companies in the UK, especially those related to IT and innovation, are hiring skilled but relatively cheap labor from overseas. This hiring has been allowed by the government because of which work permits and visas have also been allotted to thousands of workers from abroad. Although these cost effective options cannot be ignored by the managers but they find their hands tied when they find cheap labor which can help the company reduce cost (MarketWatch 2006). The Responsibility of the Managers The managers and personal secretaries are getting increasingly responsible for the recruitment of unfilled vacancies. However, these managers cannot be so sure about hiring the right person or deciding a testing system for the vacancy. Where these managers are asked to cut costs, they are also asked to hire the best person. However, tests such as aptitude test, personality test, skill test or psychometric tests can be very expensive. This is in contradiction to cheap hiring and many managers find themselves in a position of hiring a person not fit for job because of fixed or limited budget allocated for hiring (Renshaw 2003). According to the head of a psychometric company, most of the employees are hired within the first five minutes of an interview which is done with the help of instincts. Although in these five minutes, the conversation does not go beyond smiles and introductions but many think that this is the best practice. Hiring through taking tests has been proved to be the best technique which many managers in the UK do not follow. Those employees who are hired without these tests, they are more likely to immerse the company in losses (Renshaw 2003). Lowering Hiring Requirements The companies with vacancies in the Europe mostly respond with lowering the hiring requirements so as to lower the cost associated with hiring. These chances although increase the chances of filling the vacancy but it also results in a match that resists or terminates when he is hit by a requirement that he cannot address to because of lower level of skills or experience. When searching costs are high, the European employers are more likely to hire under qualified employees for temporary positions. One of the consequences of hiring an under qualified person is high firing costs if the employee is able to get a permanent contract (Brencic 2009). Temporary Employment Practices in the Europe Many countries in Europe ban or restrict the use of temporary workers. However, there has been a growing acceptance for the temporary employment in the region. Many companies which do not want to rush in hiring and then make a wrong choice are hiring temporary employees. The UK, Luxembourg, Netherlands and Denmark are the countries among those which have temporary labor markets, but the countries like Greece, Italy, Spain, France, Belgium, Germany and Portugal still have stringent policies over temporary hiring (Messmer 1994). Firing Practices in Europe The economies of Europe have been awfully trailing US and other developed countries because of forests of red tape, vast welfare, overregulation and restrictive hiring and firing practices. Firing Limitations in UK Due to the implementation of several equal employment opportunity acts and laws in the United Kingdom, the employers are restricted to fire or layoff employees. This literally throws a manager at his seat with his hands tied as he cannot fire any employee who is not performing. According to the laws, based on the personal status of the worker, an employer may not establish hiring or recruiting criteria. Employers are not allowed to retaliate against, lay-off or fire their employees citing reasons based on the personal status outlined in the federal legislation of anti-discrimination. The labor is protected with the act of penalties and recourse which says that if an employee is discriminated in the areas of firing and hiring, he may collect all the monetary damages that are done by the employer (Pearson 2010). Firing Practices in Germany In December 2000, the Vauxhall Motors Luton announced the closure of a facility with firing of approximately 2000 people. No details were announced publicly about the firing of employees and what benefits would they get. The employees being affected were not told about the decision that the management was about to take about the closure of a facility. The employees were not even told why the facility was closed or why were they being fired (Butler, Sweeney and Crundwell 2009). This shows that the firing practices in Germany are very different as compared to UK, where a company has very limited power to fire permanent employees. In Germany, however, the companies have power to lay-off the employees whenever they want without presenting any reason. Similarities of Firing Practices in UK and other European Countries In this time of economic downturn, when many large corporations are engaging in downsizing practices, the countries like UK, Italy, France and Germany are targeting the older employees for lay-offs. The reason behind is quite logical as the employees grow older, they become less productive and the company find more talented young people to replace them (Cattaneo et al.  2010). The organizations in most of the economies of Europe view older employees as more disposable and give little value to them (Barth et al. , 1993; Eastman, 1993; Loretto and White, 2006). Conclusion There are certain similarities in the UK and Europe companies when it comes to laying-off or recruitment of the employees. However, the differences are more as the UK companies are bound by laws and strict regulations for firing employees which literally ties the hands of the managers when it comes to firing and hiring of the employees.

A Taste of Honey

Shelagh Delaney was the author of the play A Taste of Honey. She was born in Broughton, Salford where she attended her three primary schooling. Her ambition was always to write that is why at her early age, she began writing. Unfortunately, the performance of Delaney was fair only as seen in her achievements in the early part of her career. She was not known for her writing that is why she focuses on how to develop her writing skills (McCully).Delaney was a late bloomer in terms of her development in writing skills. In fact, when she started writing her novel, A Taste of Honey, she realized that it will be better to transform the novel into a play. Then eventually, the written novel was changed into a play.The main story of the play focused on a teen-aged working class girl refuses to conform to her dreary surroundings. The play tells the viewer typical social problems of Britain like poverty. The play director, Joan Littlewood, suggested that the play must be portrayed by a simple o r typical girl which the director based it from what the novel wants to impart to the audience.SUMMARYBefore going to the analytical and deep discussion on the play A Taste of Honey, it is better to summarize first the play. The main characters of the play are Josephine, Helen, Peter, The Boy, and Geoffrey.The Boy is a black sailor who was in love with Josephine but did not seen much in the play. Before he goes to the sea were he intended to leave for six months, he asked Josephine to marry him and gave her a ring as a sign of his love to her. From the play, The Boy impregnates Josephine.     Helen is the mother of Josephine. At the beginning of the play, she and her daughter had moved into a chilly and unclean flat house. Josephine was the product of Helen’s brief relation to a man who had divorced her eventually.The character of Helen was a hardened, middle-aged, working class alcoholic mother, while Peter is a young, wealthy man from London who was the reason why Helen leaves her daughter to start a new life. And the last main character is Geoffrey, a homosexual who happened to be Josephine’s roommate after she moved to another place. Geoffrey is the one who take care Josephine when she is still pregnant (Delaney).  The story is all about the adolescent of a normal girl, Josephine, a young working-class girl, is left alone and pregnant when her saloon-frequenting mother runs off to get married, and her lover, a Black sailor, returns to duty never to be seen again, but she finds help and friendship with Geoffrey, a homosexual art student.The stages of adolescenceThe purpose of this paper is to have a deep analysis or critical review about the play and focusing on the stages of adolescences of the main character who is Josephine.We know that all of us will undergo the stage of adolescence. Males and females have different stage or development periods just to say they are going or undergoing on the adulthood. The adolescence period is one o f the struggle and sometimes turmoil as the adolescent strives to develop a personal identity and achieve a successful transition from childhood to adulthood (Estes).The above paragraph shows the true meaning of adolosence period in a more technical or scientific manner. Though this can be considered for this paper, but I think what is more important to analyze are the changes that undergoes an adolescent in terms of psychological, mental, social and cultural changes. The psychological, cognitive and social changes associated with adolescences are the most complex and profound in any development period.Physical and sexual maturities are reached during adolescence with girls tending to experience both puberty and growth spurt earlier than boys. Although Josephine had a sexual relation with The Boy, this cannot be associated only with the sexual maturity of Josephine but more deep which is the social and emotional condition of Josephine when she decided to have sexual relation. This p art will be discussed as we go along the way.A normal adolescence period will have developed increasingly sophisticated cognitive and interpersonal skills, test out adult roles and behaviors and begin to explore educational and occupational opportunities that will significantly influence future adult work life and socioeconomic status. In the case of Josephine, her personal strength was tested when she was left by her mother in exchange to the wealthy man.Josephine strived not only for herself but also for her child who is still in her womb. Josephine had learned to deal with other people in order to survive from the harsh environment. She first met The Boy who had shown affection for Josephine. In adolescence period, there will come a time that we will be attracted to the opposite sex and this what Josephine experienced in the middle part of the play.They both had a short affair. Due to alienation and loneliness, she decided to have sex relation with The Boy. There are many reasons why a person undergoing adolescence period wants to engage into sex. Some is for the physical and sexual maturity while others is because they have some emotional and social problems and thought that having sex will eliminate all these problems. In the case of Josephine, I think she has deeper purpose why she decided have sex and not only for physical maturity (Savage).I think the main reason why Josephine had undergone a not so normal adolescence stage is because her abnormal social and economic status of their family. Single parent is one of the sensitive issues in our society because it concerns children physical, mental, and emotional development. From the play, Josephine has single-parent households.We know for the fact that our parents are the ones who have the major responsibility in caring, teaching and nurturing the values needed in our development as a child and as adulthood (Belcastro). They are the one who will guide and stand behind us in every steps, decisions, choice s as well our falls. Without them, there can only be two ways where we will go, the right way or the wrong way.If the personality of the person is weak, then he or she will be easily go to the wrong path of adolescence period while if the person does not being hindered by many physical, emotional and social problems, then he or she can overcome all these and will go to the right path.These problems that were represented from the play were all good picture of what the country, Great Britain, is experiencing when Delaney wrote it. I think the author want to emphasize every problem to the viewers and internalize on how to deal with these. The author wants to impart or educate on what is really happening in their society. This is like a call to response on these problems on which she used the abnormal stage of adolescence.

What Is Management Explain Characteristics of Management

What is Management? Explain characteristics of Management? Management in all business and organizational activities is the act of coordinating the efforts of people to accomplish desired goals and objectives using available resources efficiently and effectively. Management comprises planning, organizing, staffing, leading or directing, and controlling an organization (a group of one or more people or entities) or effort for the purpose of accomplishing a goal. Resourcing encompasses the deployment and manipulation of human resources, financial resources, technological resources, and natural resources. Characteristics of Management. 1. Management is a Goal Oriented Process. 2. Management is all Pervasive. 3. Management is†¦show more content†¦Management translates this work in terms of goals to be achieved and assigns the means to achieve it. This is done in terms of problems to be solved, decisions to be made, plans to be established, budgets to be prepared, responsibilities to be assigned and authority to be delegated. (b) Management of people: Human resources or people are an organisation’s greatest asset. Despite all developments in technology â€Å"getting work done through people† is still a major task for the manager. Managing people has two dimensions (i) it implies dealing with employees as individuals with diverse needs and behavior; (ii) it also means dealing with individuals as a group of people. The task of management is to make people work towards achieving the organisation’s goals, by making their strengths effective and their weaknesses irrelevant. (c) Management of operations: No matter what the organisation, it has some basic product or service to provide in order to survive. 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