An Ecological Viewpoint On Pollution Environmental Sciences Essay

An Ecological Viewpoint On Pollution Environmental Sciences Essay Pollution is the effect of undesirable changes in our surroundings that have harmful effects on plants, animals and human beings. This occurs when only short term ecological gains are made at the cost of long term ecological benefits for humanity. During the last few decades we have polluted our air, water and land on which life itself depends with a variety of waste products. From an ecological point of view, pollutants can be classified as degradable or non-persistent pollutants which can be rapidly broken down by natural process.eg: domestic sewage, discarded vegetables etc., Slowly-degradable or persistent pollutants are pollutants that remain in the environment for many years in an unchanged condition and take decades or longer to degrade.eg:DDT(pesticides) and most plastics. Non-degradable pollutants cannot be degraded by natural processes. Once they are released into the environment they are difficult to eradicate and continue to accumulate.eg: toxic elements like lead or mercury and nuclear wastes. Pollution is a very wide topic. This thesis focuses on two major pollutions- air and water, and explains in detail the causes, effects and control measures. Air pollution occurs due to the presence of undesirable solid or gaseous particles in the air in quantities that are harmful to human health and the environment. The air may become polluted by natural causes such as volcanoes, which release ash, dust, sulphur and other gases, or by forest fires that are occasionally caused by lightening. However, unlike pollutants from human activity, naturally-occuring pollutants tend to remain in the atmosphere for a short time and do not lead to permanent atmospheric change. Air pollution began to increase in the beginning of the twentieth century with the development of transportation systems and large-scale use of petrol and diesel. These severe air quality problems due to the formation of petrochemical smog from the combustion residues of diesel and petrol engines were felt for the first time in Los Angeles. Pollution due to auto- exhaust remains a serious environmental issue in many developed and developing countries, including, India. The air pollution control act in India was passed in 1981 and the motor vehicle act for controlling air pollution was passed very recently. These laws are intended to prevent the air from becoming over polluted. The greatest industrial disaster leading to serious air pollution took place in Bhopal, where the extremely poisonous methyl isocyanides gas was accidently released from the Union Carbides pesticide manufacturing plant, on the night of December 2, 1984. The effects of this disaster on human health and the soil are felt even today. Lead is a major air pollutant that remains largely unmonitored and is emitted by vehicles. High lead levels have been reported in the ambient air in metropolitan cities. Leaded petrol is the primary source of air-borne lead emissions in Indian cities. The use of unleaded petrol is one way of reducing this pollutant. Pollutants are also found indoors from the infiltration of polluted outside air and from various chemicals used or produced inside buildings. The effects of air pollution on living organisms are adverse. Cigarette smoking is responsible for the greatest exposure to carbon monoxide. Exposure to air containing even 0.001% of carbon monoxide for several hours can cause coma and even death. Sulphur dioxide irritates the respiratory tissues; chronic exposure to it causes a condition similar to bronchitis. The acids can become attached to particles which, when inhaled, are very corrosive to the lungs. The widely talked changes in the ozone layer have serious implications for mankind. The effects on human health due to increased UV radiation are sunburn, cataract, aging of the skin and skin cancer. It weakens the immune system by suppressing the bodys resistance to certain infections like measles, chickenpox and other viral diseases that elicit rash and parasitic diseases like malaria introduced through the skin. UV rays also affect the ability of plants to capture light energy during the process of photosynthesis. This reduces the nutrient content and the growth of plants. This is seen especially in the case of legumes and cabbage. Air pollution can be controlled by two fundamental approaches: preventive techniques and effluent control. One of the effective means of controlling air pollution is to have proper equipment in place. This includes devices for removal of pollutants from the flue gases through scrubbers, closed-collection recovery systems, and the use of dry and wet collectors, filters, electrostatic precipitators and so on. Building higher smoke-stacks facilitates the discharge of pollutants as far away from the ground as possible. Industries should be carefully located so as to minimize the effects of pollution after considering the topography and the wind directions. The substitution of raw materials that cause more pollution with those that cause less pollution will also help. Water pollution is when the quality or composition of water changes directly or indirectly as a result of mans activities such that it becomes unfit for any purpose it is said to be polluted. Point sources of pollution are when a source of pollution can be readily identified because it has a definite source and place where it enters the water it is said to come from a point source. E.g.: municipal and industrial discharge pipes. Non-point sources of pollution are when a source of pollution cannot be readily identified, such as agricultural runoff, acid rain etc., There are several classes of common water pollutants. These are disease causing agents which include bacteria, viruses, protozoa and parasitic worms that enter water from domestic sewage and untreated human and animal wastes. Large amounts of human waste in water increases the number of these bacteria, which cause gastrointestinal diseases. Other potentially harmful bacteria from human wastes may also be present in smaller numbers. Thus, the greater the amount of wastes in the water, the greater is the chance of contracting diseases. The third class of pollutants is inorganic plant nutrients. These are water -soluble nitrates and phosphates that cause the excessive growth of algae and other aquatic plants. The quantity of fertilizers applied in a field is often many times more than actually required by plants. The chemicals in fertilizers and pesticides pollute both soil and water. A fourth class of water pollutants is water- soluble inorganic chemicals, which are acids, salts and compounds of toxic metals such as mercury and lead. High levels of these chemicals can make the water unfit to drink, harm fish and other aquatic life, reduce crop yields and accelerate the corrosion of equipment that is in contact with this water. Another cause of water pollution is a variety of organic chemicals, which includes oil, gasoline, plastics, pesticides, cleaning solvents, detergents and many other chemicals. These are harmful to aquatic and human health. They enter the water directly from industrial activity, either from improper handling of chemicals in industries and usually from the improper and illegal disposal of chemical wastes. The foremost necessity of controlling water pollution is prevention. On the other hand, setting up effluent treatment plants to treat wastes can reduce the pollution load in the recipient water. The treated effluent can be reused for either gardening or cooling purposes, wherever possible. A few years ago a new technology, called the Root Zone Process has been developed by Thermax. This system involves running contaminated water through root zones of specially-designed reed beds. To conclude, the responsibility to prevent pollution lies in the hands of every individual. Some concepts that help individuals contribute towards a better quality of our environment and human life are: Try to plant trees wherever you can and more importantly take care of them. They reduce air pollution. From the mail you receive reuse as many envelopes as you can. Use pesticides in your home only when absolutely necessary and use them in small amounts. Some insect species help to keep a check on the populations of pest species. Reduce the use of fossil fuels by either walking short distances or using a car pool, sharing a bike or using public transport. This reduces air pollution. Shut off the lights and fans when not needed. Do not use aerosol spray products and commercial air-fresheners. They damage the ozone layer. Do not pour pesticides, paints, solvents, oil or other products containing harmful chemicals down the drain or onto the ground. Buy consumer goods in refillable glass containers instead of cans or throwaway bottles. Try to avoid asking for plastic carry bags when you buy groceries or vegetables or any other items. Use your own cloth bag instead. Set up a compost bit in your garden to produce manure and reduce use of fertilizers.

Spirit of Poet :: essays research papers

Spirit of Poet One requires ingenuity to write beyond his or her typical interest or knowledge base, and a strong sense of self-understanding and confidence to express any type of specialized or emotional sentiment. Poets are fearless warriors, composing into translation for others what is otherwise only understood in their own hearts. Robert Frost, Langston Hughes, and John Milton go deeper into their art over the course of their lifetimes, reflecting a spirit of inquiry into their work. In â€Å"The Road Not Taken,† â€Å"Mother to Son,† and â€Å"When I Consider How My Light Is Spent,† respectively by these three authors, themes such as light, and life is a journey, help the reader not only understand the message of the poets, but dawn in respect for the intent poetry. Light is mentioned in all three poems in ways that reflect the frame of mind of each poem’s respective speaker. Frost’s speaker is traveling through a â€Å"yellow wood,† one â€Å"morning,† when â€Å"two roads† diverge and a choice is made to continue traveling on the one that â€Å"wanted wear.† The alliteration of the â€Å"w† vibration in â€Å"yellow wood† and â€Å"wanted wear† draw attention as a diversion from the quick pace of the loose iambic rhythm. Combining literary devices like rhythm and alliteration add to the effect of the poem, and to its other elements, such as metaphor and visual imagery. Set in a forest illuminated with â€Å"yellow† landscape and the brightness of â€Å"morning† sun, the traveler’s attitude adds another level of light to the lightness of the day. Frost creates a cheerful autumn atmosphere, naturally leading his character through a process of decision-making with the casual consideration of two goods, avoiding the typically associated fear and stress, as perceived in Hughes’ â€Å"Mother to Son.† â€Å"Well, son, I’ll tell you,† Hughes introduces his speaker with language that creates a strong and confident persona, speaking whole-heartedly to her son. â€Å"Life for me ain’t been no crystal stair,† she goes on to say, she is described as independent of external light, since she is â€Å"sometimes goin’ in the dark where there ain’t been no light.† This offers an allusion that she is guided by her own inner light. Hughes’ freely styled visual imagery describes a difficult and desolate atmosphere, especially when compared to Frost’s bright, rhymed and rhythmic poem. Hughes instead glorifies his speaker by allowing her to express how she has lived in brightness despite drab circumstances.

Media Commercialization

Commercialization of Indian media The media industry across the globe has witnessed spectacular changes in the recent years. There has been a considerable change in the perception of media in the olden times, as revolutionary instruments and powerful political players. Today, the media is perceived more as businesses with a motto of `remaining profitable'. The growing competition along with the trend of confinement of media ownership to a few major transnational conglomerates has further intensified the commercial pressure in the terrain.This has also resulted in media proliferation, wherein numerous emerging media products embark on catering to the needs of a more fragmented market. Commodification of news has become a serious issue today. â€Å"The news has become a product, packaged and sold to the economic elite, designed to satisfy the needs of the advertiser first, and audience second. † The mounting competition adds on to this connotation which stimulates the media genr e to adopt strategies which may even disfigure and deface the relationship between editorial content and advertising.As the media dome becomes commercial, it relies more on advertising revenue for its survival, which, in turn increases pressure to develop media content that appeals to the advertisers. This, in fact, results in an elevated amount of conflicts with the media's accountability towards public in terms of supplying information, in public interest. In fact, the very purpose of the existence of the media, i. e. , informing the public is overshadowed by such commercial concerns.The increasing pressure also leads the media houses to be choosy about their audiences with regard to the advertiser appeal, and hence the focus is shifted to wealthy, elite audience. In India, the media careens between froth, marketing, reporting, opinion, and reacting. Seriousness is often dislodged by commercialism: editor of leading national daily turned gourmand and celebrity interviewer; front p age coverage of celebrity weddings, gastric troubles; fatter â€Å"lifestyle† supplements; hour long adulatory shows on news channels about an Indian superstar who frankly claims to have no ambitions other to have fun and entertain the masses etc.Predictably, the preponderance of coverage of the attacks and its aftermath is superficial too: trending to human interest, pandering to mass emotional outrage, instead of focusing on systemic problems. â€Å"Serious† reporters are doing talk shows of sorts, calling on their guest panel former soap stars, actors, and socialites. Reports are rife with accusations of the administration's callousness, dropped balls, and self-righteous calls for more heads to roll. Journalism in the face of a real crisis is laced with passionate rhetoric, not real questions and solutions.The strength and importance of media in a democracy is well recognized. Article 19(1)(a) of the Indian Constitution, which gives freedom of speech and expression includes within its ambit, freedom of press. The existence of a free, independent and powerful media is the cornerstone of a democracy, especially of a highly mixed society like India. Media is not only a medium to express once feelings, opinions and views, but it is also responsible and instrumental for building opinions and views on various topics of regional, national and international agenda.The pivotal role of the media is its ability to mobilize the thinking process of millions. But in today’s highly commercialized market, the press is losing its main focus. Journalism had deviated from the path of responsible journalism to more saleable journalism. There is more news about the â€Å"rich and the happening† rather than the poor and dying. The gap between mass media and mass reality is growing at an alarming pace. Nowadays media is primarily focusing only â€Å"the elite† section of society. How much does the unforgettable tour of the Bachchans affect us?An d how much would a disaster like Bihar floods affect the people? Yet, the media is more interested in focusing on what should be printed on page 3. Ask yourself, does page 3 mean more than the realities of life? Though the role and importance of media is increasing in our lives today, it’s sad that its accountability and professionalism is dwindling. â€Å"With great power comes great responsibility†. Television channels in a bid to increase their TRP ratings are resorting to sensationalized journalism with a view to earn a competitive edge over the others.Sting operations have now become the order of the day. We are a democracy of a billion plus people with the largest youth population in the world, large sections poor and uneducated, inadequate social services, and a country in transition. It is imperative that our influential intelligentsia focus unfailingly on meaningful issues since the opportunity cost is enormous. The government is increasingly sidelined by priv ate enterprise; unprepared peasants are migrating to straining cities; and the nouveau riche anxious to express their nascent individuality is turning to incongruous consumption.Our academia is intently focused on the graduate's financial remuneration, and naturally, commercial interests don't provide any discipline. Entertainment czars consume our attention, shape public opinion, and increasingly control our daily life by forming a nexus with private industry, and entering the administration. We have mall adjacent to mall adjacent to mall, and almost no democratic recreational space. Mostly the middle-class Indian comes in contact with one another to consume, an individualistic pursuit, thus developing no collective voice or opinion.Further, democracy in India has many pitfalls: the educated vote counts as much (or as little) as the uneducated. Nepotistic, political power is concentrated; political will is weak, and further emasculated by our coalition government structure. Any one can start a new political party, garner a few electoral votes, cobble together a patchwork government, and sporadically threaten to fell the government if their personal demands aren't met. As a country we can't afford to feed or educate our children. We use our poorest as cattle, carting heavy burden on their backs in crowded urban markets.Our farmers are committing mass suicide. Religion is a recurring flash point. There is so much going on in India that we can't afford to dilute our focus on the important issues with front page/prime time coverage of entertainment. Moreover, print media, especially national newspapers are newspapers of record, and the current news standards will leave many important events that shape our country undocumented for our future generations. The state runs on taxes, and is liable to its citizenry, however the individual is unable to demand accountability.The Indian citizen has no serious platform to voice her concerns, of harnessing institutional powe r to fight systemic battles. Consequently, we now have a country where citizen activism is either all or nothing. It's an all out battle, which the common person struggling just to survive, exhausted amid the delays, chaos, chronic infrastructure shortfall/failure and pollution cannot wage. Activism cannot and should not be at the exclusionary cost of personal life, and livelihood. Media must provide serious relevant coverage, accurate information, and emocratic access to voice public concerns. This is media's non-negotiable obligation to society, by virtue of preferential access, mass reach and the ability to shape public opinion. Yes, the Mumbai attacks are a wake up call to our government, but also to our media, one of the original and last bastions of democracy. India urgently needs renewed civic engagement, and it is the media's responsibility to create that platform, not as a temporary reaction to some outrage, but as a permanent social structure. India is witnessing a rapid  commercialization  and  diversification of media  (news).One only needs to glance at the leading national dailies and 24/7  channels  to understand the extent of its impact. Reality is nothing more than a series of moments. And in these very moments one can find  elements of all that is strange, frightening, colourful, funny, ludicrous and fantastic. Who needs fiction when fact offers it all! But when it comes to the Indian media, there is sometimes simply too much being offered. Johann Wolfgang Van  Goethe  had felt that very few people have the imagination for reality.One wonders what the great thinker would have felt compelled to say after an evening spent surfing contemporary  Indian news  channels. Would he perhaps have concluded that too much imagination can mist reality, shrouding it in unnecessary layers of melodrama and exaggeration? Our so-called news  channels  fall into this erroneous routine with alarming regularity. The concept of ‘break ing news' in the age of 24/7 broadcasting has led to a tectonic shift in the paradigm- the spotlight has shifted from what matters to what sells. So the media is constantly on the prowl for fresh fodder-anything that exhibits potential to arrest eyeballs will do.Minor matters such as the relevance of the story, sensitivity towards the subject or the viewers, news prioritization, etc. get relegated to corridors of obscurity. Here are some moments from the recent past which were pounced upon with glee by the story-starved ‘infotainment' networks; moments which made the day for India TV and its ever-growing brethren; in short, moments which were made for the media Terrorism, terrible as it may sound, is made for television. The dawning sense of horror, the magnitude of destruction, the agony of human loss is captured with maximum precision and lasting imagery through the electronic media.The terrorist needs the oxygen of publicity to survive and TV provides with him that. 26/11 h aunts our collective imagination both because of the scale of terror and TV's explosive coverage of the attacks. The commercialization of the Indian media takes many forms. It has been known for some time that a few of India’s leading media conglomerates — including Bennett, Coleman & Co. , the publisher of The Times of India and The Economic Times — offer what that company calls â€Å"innovative† and â€Å"integrated† marketing strategies that blur the traditional line between advertising and article content.Bennett, Coleman’s Medianet division, for example, lets advertisers place articles on certain pages in the paper without clearly marking them as advertising. One of the company’s more aggressive offerings is a product known as a Private Treaty, which offers companies a certain amount of advertising space in exchange for equity stakes in those companies. According to the Private Treaties Web site, Bennett, Coleman now holds such e quity stakes in more than 100 companies. Officially, the companies are only given advertising space.But at least one businessman confirmed to me that it was made clear that he could also expect favourable news coverage. At the very least, it seems evident that Private Treaties set up a very serious conflict of interest, a point highlighted last year when the Indian stock market regulator, the Securities and Exchange Board of India, wrote a letter to the chairman of the Press Council expressing concern about the business practice. Private Treaties are an example of the commoditisation of business news. But much of the recent attention in India has focused on paid political content.Over the past year or so, there have been a growing number of reports of politicians paying media houses for favourable coverage or to skirt restrictions on campaign financing. Embracing commercialization seems to pose a threat to the quality of content communicated by the media, which, in turn, is question ing the fundamental objective of its very existence. Commercialization has a positive impact on the financial performance of media in the market, but it indeed shows the way to certain unpleasant upshots, mainly on the quality of the content of dissemination.

workplace diversity paper - 1115 Words

Benefits of Workplace Diversity In the 21st century, workplace diversity has enhanced organization performances and communication skills which benefited the organizations to become successful businesses. Increasing adaptability in the workplace, having to value diversity, and executing more effectively are three benefits of workplace diversity. Organizations most definitely have the ability to embrace their workplace diversity by helping their employees realize the benefits that enhances the business to become more competitive and successful. Unfortunately there are researchers that argue that workplace diversity can lead to problems in the business. Increasing adaptability is extremely beneficial for both management and employees for†¦show more content†¦Companies that hire collective educated and experienced employers tend to have a bigger opportunity of working more effectively, and those employers also tend to inspire the other employers to work their best. â€Å"The overall goal of diversity is not only to tolerate those who are different from us, but also to allow the differences of others to enrich our view of the world and to learn to work cooperatively with them†.(Robison Wood,2009) Figure 1,Is a picture with a lot of meanings of working together regards of the workplace diversity. Figure 1. Rebuttal The problem that most organizations are arguing is that diversity can also lead to misunderstanding, suspicion, and conflict which can result in low competitiveness and performance in the workplace. â€Å"However, the preponderance of the evidence favors a more pessimistic view: that diversity creates social decisions, which in turn create negative performance outcome for the group.†(Mannix, Neale, 2005) Sometimes not all companies are in the same situations when it comes to the diversity the workplace, and also not all the associates of management are leading their employees by not encouraging or giving them the trust they need. In addition I agree with my secondary research, therefore I believe that if the companies apply strategies in increasing adaptability, having to value diversity, and executing more effectively will bring greatShow MoreRelatedDiversity in the Workplace and Implications for Human Resource Development Paper1333 Words   |  6 Pagesï » ¿ Diversity in the Workplace: Implication for Human Resource Development - Paper Week 3 Homer Bolden BSHS/425 March 30th, 2015 Dr. Patricia Mc Donald Diversity in the Workplace: Implication for Human Resource Development - Paper Week 3 A brief description of the event and the work environment the discrimination occurred (Omit identifying demographic information and use fictitious names as needed). 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