Sunday, June 9, 2019

Community Preparedness Essay Example | Topics and Well Written Essays - 750 words

Community Preparedness - Essay ExampleAs the study outlines EMI is resourceful in terms of preparing the knowledge of a person with regards to disaster. In this respect, it teaches one on the preparedness strategies which are common in all disasters. It informs a person on various hazards and emergencies which may affect a community. One bunghole learn of the various hazards that may strike the community. This also includes the risks that are associated with these hazards. EMI also has education of the modalities that should be followed as plans for warning and evacuation. by dint of this resource, a student can acquire adept knowledge on classification of various hazards. The natural hazards include hurricanes, floods, tornadoes, thunderstorms and lightning, winter storms and extreme cold, earthquakes and volcanoes, tsunamis, wild fires among others. The technological disasters that a community may encounter include nuclear power plants and hazardous materials. The terrorism as sociated disasters include explosions, chemical threats, biological threats and nuclear blasts. EMI also has selective information on how to obtain spatial distribution of these disasters. This is by employment of hazard maps. EMI also imparts knowledge pertaining to warning systems and signals that the community should employ in cases of disaster incidences. A student can learn on the various methods that can be employed in warning the community about potential disasters. EMI also offers information pertaining to the methods of community evacuation in cases of disaster. It gives evacuation guidelines that are imperative to a community. It has information on the transportation arrangements and escape routes and what to do when evacuating. Through EMI, one can learn of the importance of emergency plans for various institutions in preparedness for disasters. One can also learn of the various water conservation tips.

Saturday, June 8, 2019

Social Networking Sites Essay Example | Topics and Well Written Essays - 1750 words - 1

Social Networking Sites - Essay ExampleCarrying bulge out marketing campaigns using social networking sites primarily entails the following planning building an SMM plan is vital. The business needs to take into consideration keyword research and brainstorm centre ideas which would interest the ideal customers. Content reproducible with other e-marketing areas, capacitance is essential when it comes to SMM. The business should ensure that it offers valuable information that the target audience would find interesting. The business should make a variety of content by implementing infographics, videos as well as images besides content that is text-based (Evans 2013, p. 22). Blog it is noteworthy that blogging is an imperative SMM tool which allow the business to share various content and information with the readers. Using blogs, the business can also blog about its recent social media events, contests and efforts. Tracking business rivals it is generally essential to keep an shopping center on the competition as they could offer valuable SMM insight such as where to get links that are industry-related. They can also provide authorised data for keyword research. If the business rivals are utilizing a particular SMM technique that appears to be working for them effectively, the business can also do the same thing, but do it much better (Qing 2012, p. 38). Consistent Brand Image the use of social networking sites for marketing purposes allows the firm to project its brand image across several heterogeneous political platforms of social media. Whist every platform has its own distinctive voice and environment, the core identity of the business should remain consistent. Links whilst employing social networking sites for the purposes of marketing depends primarily on the business sharing its own original and distinctive... According to this paper social networking sites are good in supporting business. The various platforms of social media such as Pinte rest, LinkedIn, Twitter, YouTube, Google+ and Facebook allow the enterprise to promote its products to its followers, and in so doing increase sales volume. Additionally, by engaging and interacting with customers, these social networking sites are also employed by businesses to improve customer care by responding to the clients questions and addressing their concerns. Nonetheless, there are a number of potential threats of using these sites for business. These threats include acting as a platform where people with ill-intentions can generate spiteful negative comments which may hurt the reputation of the business human error toping in leaked corporate data module members of the business could make inappropriate comments on the social media account of the business and malware attacks from external sources. However, these threats could be avoided by ensuring that the staff members are educated regarding security threats, and take holding out a wide-ranging data and access control strategy.The paper shows that in general, the best technique for preventing the potential threats that come about as a result of a business using social networking sites is to ensure that the staff members are educated regarding security threats that are associated with social networking websites. The enterprise can also carry out a wide-ranging data and access control strategy so as to prevent loss of data.

Friday, June 7, 2019

Tim Burton Analytical Essay Example for Free

Tim Burton Analytical EssayThe dark lighting showed Edwards loneliness, however, the bright lighting of the town and Pegs house showed how he was able to create a relationship with the towns people, which he was unable to do previously in the tower. In Charlie and the Chocolate F serveory, Wonka did not have a unplayful relationship with his father, so the flashbacks of his puerility are in a darker light. The dark lighting in Charlie and the Chocolate Factory and Edward Scissorhands stresses the importance of relationships. In accordance with dark lighting, Burton also uses contrast tougheneds stand for the mportance of relationships.In Big Fish, when Edward Bloom unexpectedly arrives in Spectre for the first time, the town is green and lush with vegetation, and the townspeople are happy and worry free. piece he was in Spectre, he promised a little girl he would return. However when he returned after many years, the town was barren and businesses were closed. This contrast ing set shows he was not there for the town when they needed him therefore the town was barren when he returned for the second time. In Charlie and the Chocolate Factory, Wonka creates an amazing hocolate factory to reservation the happiness of having a good relationship with his father.Contrastingly, Charlies house may not be as extravagant as the factory, but Charlie has a loving family. The contend sets between the factory and Charlies home shows the importance of relationships. In Big Fish and Charlie and the Chocolate Factory, contrasting sets show the importance of relationships Moreover, the use of close ups exemplifies the importance of relationships. In Big Fish, when Edward Bloom is lying in the hospital bed, and Will Bloom, Edwards son, inished the story of his fathers fantasy death, there is a close up of Wills face.Will knows his father is spill to die and that all of the tall tales that his father told were true. The close up shows that if Will had trusted his fathe r, they would have a better relationship. In Charlie and the Chocolate Factory, whenever the conversation of parents began, Wonka would act uncomfortable. From afar the viewer does not see the sadness, but the close up shows the sadness in his eyes. Wonka is sad he does not have a good relationship with his father, therefore the close up shows that elationships are important.In Big Fish and Charlie and the Chocolate Factory, the close ups of the characters show the importance of relationships. Burton has a passion for fashioning movies, and he puts all of his effort into creating extravagant sets and costumes in his movies. As seen in Big Fish, Edward Scissorhands, and Charlie and the Chocolate Factory, Burton creates personal messages to convey his inner feelings. In these movies, Tim Burton utilizes dark lighting, contrasting sets, and close ups to epitomize the importance the importance of relationships.

Wednesday, June 5, 2019

Apple lnc

Apple lncApple lnc, is an American multinational corporation that designs and humannessufactures consumer electronics and com founder products. The companys well-known products include the mackintosh computers, the IPod and the iPhone. This company was established in Cupertino, California on April 1, 1976. On January, 1977, the company had been incorporated as the name called Apple Computer, lnc. for over 30 years. The company receive decided to change their companys name to Apple lnc.. Apple lnc. operates more(prenominal) than 250 sell shops in nine countries and an on tilt store. It has about 35,000 employees in the whole world and had worldwide yearbook sales of $32.48 billion dollars at the end of the year 2008. (Seekingalpha.com,2009) According to the research in 2009, Apple lnc. has a high market sh are for about 7.96%. (www.apple.com ,2009)1.2 theoryProductBusiness must make sure that their products are meeting the needs of their customers. Their product must be suitable for their customers. (HALL,D, et al, P75)PriceThe pricing polity that a business chooses is often a reflection of the market at which it is aiming. Prices bequeath not of all time be set at the take aim which allow for maximize sales or short-change-run profits. (HALL,D, et al, P75)PromotionThere is a number of promotional methods a business can use including to a higher place the line promotions. (HALL,D, et al, P75)PlaceThis refers to the means by which the product will be distributed to the consumer. (HALL,D, et al, P75)Market segmentationBreaking down a market into sub-groups with similar characteristics is known as Market Segmentation. (HALL,D, et al, P75)1.3 AimsFortunately, the report will recommend the theory of Marketing and Business. Thirdly, the next purpose of this report is to try to explain one of the ads for IPod.(Figure 1)Then, this report is going to check up on why the Ads has been product like its style and type. According to this report, the writer is goi ng to state how this Ad work in the market. Finally, the final goal is to predict the approaching development of Apple lnc.3. Findings3.1 ColorFirst of all, it is clear that there are many different context glosss in IPods ads, such as pink, red, saturnine and yellow. It is a random color for the background in all of the IPods ads and the color will never changeless. On the basis of this ad, the background color is pink, a color which is very romantic.3.2 SpokesmanIPods ads never use the same spokesman. The person in the ads are ever in black whether they are men, women or children. In this ad, there is a pretty girl in the ad who is in black and this become an otherwise selling point. The consumer will never find out who the man or woman is because it is in black.3.3 ProductionThis is an ad for IPod nano, which is one of the most important product in Apple lnc. IPod nano is a MP3 which is very small and fashion. Thus, in their ads it is always a white IPod nano in the spokesm ans hands or pockets. Therefore, black and white become a contrast color so that it can be well-off to see that the colors of IPod and person are completely different from each other. Consumers can see different person with different IPod nano, but not other MP3 or MP4.3.4 CatchphraseThe catchphrase for this ad is, The best just got better.3.5 PriceAccording to the internet, the charge of IPod nano is higher than other MP3s. For an 8GB IPod nano, it will cost the consumers $149 dollars or more than 1000 yuan and 16GB IPod attend to a price at $179.00 dollars.(APPLE STORE, US)4. Discussion4.1 ColorAccording to Color Wheel Pro See Color system in Action, Red is the color of fire and blood, so it is associated with energy, strength, power, determination as well as passion desire and love. Red is a very emotionally intense color. It enhances human metabolism, increases respiration rate, and raises blood pressure. Red also brings text and images to the foreground. Pink is a color whi ch is an embranchment of red, it means signifies romance, love, and friendship which is denotes feminine qualities and passiveness. (Color Wheel Pro) This ads background color is pink so that consumers can notice that this production is filled with energy and power which is very suitable for the youth. Contributed to there are many kinds of background color, the place can change to every kind of places. Every color represents a place, which means that the consumer can use the IPod nano anywhere and anytime they like.4.2 SpokesmanSpokesman, definition from Ansewers.com, Spokesman is a man who speaks on behalf of another or others. (Spokesman, Dictionary) Consumers can not recognize the spokesman in this ad because she is in black. The company does not care about whether the spokesman is famous or not because their propagandistic main point is their production, IPod. The black color stand for every kinds of person can use IPod. There are no circumscriptions whether the consumers are o ld or young, boy or girl. It means that everyone can use IPod anyplace.4.3 Marketing mix4.3.1 PriceAccording to Business Studies (Hall, D et al), Price will not always be set at the level which will maximize sales or short-run profits. It means that IPod should have different of prices level for the consumers to buy. The price can not be the same because every consumer has their own demand. The demand will decrease if the price never changes or the product is always the same as before. Compare with other MP3s, IPods price is higher than other products. According to store.apple.com, for an 8GB IPod nano, it will cost you $149 dollars and 16GB IPod attend to a price at $179.00 dollars.(APPLE STORE, US) The price urge IPod to be the best brand in MP3. Relative to other MP3s in China, it can be easy seen that the price is very high so that it become valuable production in China.4.3.2 PlaceAccording to Business Studies (Hall ,D et al), Place refers to the means by which the product will be distributed to the consumer. The main inclination in this Ad depend on consumers is able to use IPod nano everywhere. The size and weight become the superiority of IPod which is better than any other MP3. The Ad represent this idea from the place where the consumers put their IPod in.4.3.3 PromotionAccording to Business Studies (Hall ,D et al), there is a number of promotional methods a business can use including above the line promotions. The Apple lnc. dose the same work on promotion as other companies. Sometimes they hold sales promotion in retail space, therefore, it become a chance to get sponsorship for their advertising. Sale promotion is a function which the consumers prefer to attend because they will buy products in low price. sales at the expense of profits is a good way to make profits.4.4 CatchphraseThe catchphrase for this ad is, The best just got better. This is a sentence which is short but deep thinking. The word best and better can be easily change in to anyt hing as the company like. The consumers become able to put more interest in the product which the company what to sell.5. RecommendationsTo summarize, This Ad is suitable for IPod because of its exquisite idea. Based on the above discussion, IPod will become the youths first extract because its fashion and superiority. The fact have proved that Ipod is now the best mp3 for the youth. Never theless, if the company do not compare with others, its lifecycle will be end. Apple lnc. is reviving by brought up new products and changing target market. From different kinds of Ipods, it definitely shows that expand target market is very necessary for every company. The Ad has runaway an important role in attracting consumers and increasing market share. Because of its superiority Ad, IPod has become one of the best MP3 in the world. However, the developing market are never in full explored in a short period of time, it is still a good chance for Apple lnc. to expand their company size and making good advertisement might be a good choice. In a word, there is a good way for all the company to expand themselves and the target market.6. Referenceshttp//seekingalpha.com/ oblige/115797-apple-inc-f1q09-qtr-end-12-27-08-earnings-call-transcript?source=front_page_transcriptspage=-1(access at 2009)http//www.apple.com/pr/library/2008/10/21results.html(access at 2009)http//baike.baidu.com/view/14874.htm(access at 2009)http//store.apple.com/us/browse/home/shop_ipod/family/ipod_nano?mco=MTAyNTQzMjM(access at 2009)http//www.answers.com/topic/spokesman(access at 2009)Hall, D., R, Jones, C. Raffo, A. Anderton (2008 quaternate p75), publication British Library Cataloguing

Tuesday, June 4, 2019

Crime in Human nature

Crime in Human natureIntroductionI believe that some humans ar born inherently good and are all born with a clean slate. I believe that some people turn over shames be fountain of biological, psychological and sociological reasons. I also believe that environment causes people to change and baffle evil over time. This change groundwork be from good to bad and can be temporary or permanent. In essence, you might prevail committed a violent crime in the past and now have become a born again Christian. There is also the population that never commits a serious offense but will continue to break electric razor laws. And last but non least are those who are good and continue to be good throughout life with little or no deviation. These are all reasons of why I believe humans are born inherently good. As I stated, events throughout ones life can cause them to change and go bad.For example, if your father abused you when you were a child and that transposed in to you abusing your ch ild. Then on that point is a high probability that your child we evolve up to abuse his children. In regards to the example, some theorists would argue that this family has miserable genes and that this type of abuse is hereditary. Not all child abuse victims grow up to abuse. In rehabilitation, a child could be removed from an abusive situation and overtime heal not go on to repeat abusive acts. So, I do believe in rehabilitation. In this research paper I will be discussing some of the many theories of crime to support my opinion of why I believe people are inherently good, not evil. The first direct I will use to support my opinion of why people are inherently good is the prescribed school. The positivist school began in the late nineteenth century and ignited a scientific revolution in criminology. It was founded by Cesare Lombroso and his students Enrico Ferri and Raffaele Garofalo. These were known as the founders of positivist criminology. They focused more than(prenomi nal) on the actual criminals and not the crimes themselvesSummary Classical criminologists focus on the crimes themselves and not the actual individuals who commit crimes. confident(p) criminologists stress the causes of criminal behavior, such as causation and multiple factor causation. Just like I suggest, positivists agree that ones individual behavior is more or less determined by factors with the individual or in his or her external environment (Curran Renzetti, p. 16). The positivist school uses the scientific method in localize to find the reasons and causes of criminality. Through history, human behavior has been measured and recorded and used to make important theories of why crimes are committed. Classical criminologists believe that crime is committed by offenders and that decision to commit crimes is not a essence of rational decision and that it is out of their control. If that were to be true, then what good would punishment do? If crimes are committed because peop le are inherently evil, then punishment would be ineffective. Positivists and I believe that offenders should be committed to treatment in ordering to have a chance at being rehabilitated and that people are inherently good. With the strategy of rehabilitation, criminologists can measure multiple offenders progress from intake to release. This provides positivist criminologists a starting and ending point for measurement comparing offenders and rehabilitation. Criminologists can also conduct ongoing evaluations over one individuals life and recommend certain(a) treatments to continue the rehabilitation process after initial release. For some, the rehabilitation process can take a lifetime, for others it could be quicker, depending on ones condition. contradictory the Classical coach, the Positivist School believes that strict standard sentences are detrimental to the rehabilitation process. Positivist School believes in unresolved sentencing for offenders. This type of sentenci ng allows for more flexible correctional strategies to forethought in offenders rehabilitation into society. This would allow for each offender to be sentenced to just the right amount of time in a correctional facility that would sanction in his or her rehabilitation. Thus, determinate and or mandatory sentencing policies are not part of the Positivist School and are of the Classical School. Opposed to the classical school, the criminal justice system has a duty to treat offenders of all types of crimes and to rehabilitate them back in to societyConclusion Next, the Chicago school will be discussed to support my opinion of why external factors cause humans to commit crimes. The Chicago school looks at crime and individuals from the sociological perspective of external factors. Unlike theorists that see internal factors such as biological, physiological and psychological as reasons to support theories of why people commit crime. Those internal factors mentioned would belong to the classical school of criminality and theories of crime not in favor of my opinion of why people are inherently good. The Chicago school was founded in 1892 at the University of Chicago. more members of the facilities had similar upbringings and beliefs. They were children of skilled parents, born in small rural towns and lived on acres of land. Well in the 1900s a surge of immigrants, mainly from African American and European descent came to live and work in Chicago and other industrialized cities like it. Many of them had no money at all, and their cultural and ghostlike beliefs were different than that of contemporary America at the time. In response to the increase of population, especially from immigration, the Chicago sociologists determined to bring on a social transformation. affable deviance was studied to see whether inner cities have higher rates of crime than that of urban areas further away from the center of the city. Robert Park from the Chicago School found that t he further one moved away from the center of the city, the less chance of being involved in a crime. So for individuals living in the center of the city, social disorganization would occur. This is a result from their study in Chicago in 1928. Inner cities were mixed with different groups of people that had different beliefs and values, there were no social norms and it was a socially disorganized area. All of the social external factors such as values and norms created a break down since no two groups could agree on a common social goal. These external factors brought a breakdown in the inner-city and several forms of social deviance occurred, the end result was crime. Like Shaw and McKay, I believe that the best way to control crime is to prevent juvenile delinquency. Juvenile delinquency is a major course of restore because many juvenile delinquents become career criminals. A study by Shaw and McKay uttered that external factors in inner-city life caused higher juvenile delinqu ency rates. They actually cogitate that race or ethnicity were causes of crime. Shaw and McKay also found that it was the neighborhoods themselves that caused one person to become a delinquent and the other not to be. Those neighborhoods in the city were in suffering condition, with sub standard living arrangements. Based on my opinion from the above studies, I would suggest some changes for the criminal justice system. For example, police departments could focus more of their efforts on union policing and some of their efforts on hard nose policing. I believe that a mixture of both policing strategies has to be used in order to reduce all types of crimes. For example, hard nose policing should be introduced into the neighborhoods that consistently have high crime rates. Like in the study by Park in Chicago, neighborhoods with little to no crime would probably not need such a hard nose policing strategy and be better suited for community policing and mild patrols. But the inner c ity or Zone 1 as in their study would need a harder nose policing strategy. Community policing would not work sound in the inner-city or Zone 1 because many of the individuals did not communicate or reside in that loop. The court systems use a combination of indeterminate, determinate and mandatory sentencing policies depending on what State and crime you are talking about. They use different sentencing policies to ensure the safety and welfare of the public and to defy repeat and violent offenders behind bars. We cant just have a bunch of convicted violent offenders with ankle bracelets all over the streets, one could say. Lesser offense non violent crimes are better applied to indeterminate sentencing. Indeterminate sentencing believes in rehabilitation and treating offenders to ensure that they will not repeat or commit a new crime. Some states have a combination of indeterminate programs and indeterminate sentencing systems in their courts. For example, when the judge says 5 t o 10 years, he is giving a range, this is indeterminate sentence. If the judge were to say ten years, then that would be determinate or mandatory based on the crime. If it were California, then it would be a mandatory ternary strike and youre out policy. In Utah indeterminate sentencing is used, allowing inmates a chance to be released early from prison. Inmates might have a sentence reduction if they show good behavior. In the above example which takes place in Utah, an offender can get out in five years instead of the intact ten, if he or she completes all necessary programs, shows good behavior and has been rehabilitated. Different statutes have different sentencing ranges for crimes committed. When it comes time to get released, the Board of Pardons and Parole will decide on when you will actually leave prison. Indeterminate sentencing gives hope to offenders and a chance for them to take responsibility for their actions and lives. This is because their release dates from pris on are on how well they behave in prison and what positive changes they have made in life. This type of sentencing gives a different board a chance to see the rigor between the actual crime and the person themselves. Indeterminate sentencing is one method that the criminal justice system uses to help in controlling and preventing crime. In regards to the oddment penalty, I think that we should continue to use it. Certain criminals should not be allowed to be rehabilitated. Rehabilitation is a privilege and should only be given to those who have committed murder or some other type of heinous crime.If people are inherently good, can the death penalty be lawfully used?

Monday, June 3, 2019

History And Importance Of Hydropower

History And Importance Of Hydro placeHydro force is produced by converting the kinetic energy of the go piddle to galvanic one. The motion of water supply is part of a continuous infixed phenomena called the water cycle. Energy from the sun evaporates water from oceans and rivers and raise it as steam or vapor. When the watervapor r apiecees a colder atmosphere aim, it condenses and forms cloud. The moisture eventually reaches a point at which air tail assemblynot keep carrying it, so it falls to the soil as rain or snow, this process is called precipitation. Gravity drives the water, pitiable it from higher rationality level to paltryer one. The force of moving water disregard be extremely caterful. Hydropower is a renewable energy source because the water on the earth is in a continuous motion. As long as the water cycle continues, we volition not run out of this source.In the old early(prenominal) people used a simple machine called water oscillation to produce a s pecific motion victimization the come acrossment of the water in the rivers or any former(a) source. The water wheel is located below a source of flowing water. It captures the water in plates that is normal to the wheel, the water hits the plates causes the wheel to turn. Water wheels convert the kinetic energy of the water into another type of motion. That energy rear end then be used to grind grain, drive sawmills, or pump water. There atomic number 18 several examples of water wheel application in the past. For instance, the Greeks used water wheels to grind wheat into flour more than 2,000 long time ago. In the beginning of the 18th century, factories at America and Europe used it in like manner to power machines.In the late 19th century, the potential energy of water was used to generate electricity. The first hydro electric power plant was built at Niagara Falls in 1879 and it started a revolution of Hydro electrical power plants. in the following decades, many plants wer e built.At the peak in the early 1940s, hydropower occupies 33 percent of USA electricity. But, by the end of 1940s, in big-ticket(prenominal) fossil dismiss plants also joined the competition. At that time, plants burning coal or oil could make cheaper electrical power than hydro power plants. This fossil fuel plants was burning the fossil fuel and the hydro power plants till the 1970s. In that decade the route was opened for hydro power plants over again because of the oil shocks that made people showed an interest in renewable power sources.1.3 ImportanceIn this part of the report, I am going to relate people and hydropower in a logical chain, that will show how much it is cardinal to change the way that electricity is produced nowadays.People, as we all know, ar part of the natural world and the materials they are using in building, clothing, food, etc come from natural resources. What resound us are composed of large numbers of built environment, the facilities built by h umans for comfort, security, and well-being. As our built environment grows, we become more dependent on what it is offering to us. To satisfy our demands improvement to our built environment is needed, to do such upgrading we need electricity which can be generated by using the resources of natural fuels. In obtaining these resources, it is necessary to drill oil wells, tap natural gas supplies, or mine coal and uranium. In order to put water to process on a large scale, storage dykes are needed.Some human activities have more lasting impacts than others. Techniques to mine resources from below the earth may take long-lasting impacts on the environment. Oil wells may detract from the beauty of open landscapes. Reservoirs behind dams may cover whole valleys. The usage of energy sources can further impact the land, water, and air in different amounts. People want clean air and water and a pleasing environment. They also want power to heat and light the homes and to run machines. So, what would be the solution? Logically there are two straight forward solutions, but both are tight to be done. One solution is curbing The increasing demand for electrical power. As explained above, this is aroundthing that far from the actual trend. The other solution is that more power essential be produced in environmentally friendly ways.Conservation can save electricity, but our population is growing. In other words even if we are in truth conservative in power consumption, our demand is still increasing. So, growth is inevitable. So again, the wisest solution is a careful, planned approach to how to bring a new, efficient ,clean and renewable resource of energy. All choices must be examined, and the most efficient, acceptable methods should be adopted. One alternative is hydro power plants and based on the characteristics of this plants it seems to be a booming choice. These features are many, one is that hydro power plants do not use nonrenewable resources to make ele ctricity. They also do not produce pollution, rarely fail, have low operating costs and they are reliable.WAYS OF HYDROPOWER PRODUCTIONI will discuss in this part of the report two methods to produce power using hydro energy that fit with the conditions in Saudi Arabia which are the lack of dams and rivers. These two ways are the ocean power plants and power production in water Desalination stations.Using Sea EnergyFirst of all I will discuss tidal energy as one type of the sea energy. The tides rise and fall eternally . Tides are changes in the level of the oceans caused by the rotation of earth and the gravitational force from both the moon and the sun. Nearshore sea level can vary up to 15 meters, depending on different factors. Tidal energy is the most promising source of ocean energy for today and the most future.Tidal energy plants capture the energy in the same manner that happened in dams, but here the dam is the whole coastal line. The water is selection this virtual dam and draining it twice a day. Then, by sitting up a set of turbines that connected to gears to convert the motion of the water into electrical power, and by building specific structures under the sea level which magnify the speed of water during the filling and draining process we will have a perfect tidal power plant. The oldest and largest tidal plant, La Rance in France, has been successfully producing electricity since 1968.Nowadays, the electricity from tidal plants costs a lot compared to other ways. It is expensive and takes time to build up the turbines and the structures, which can be several miles long. On the other hand, the fuel free, forever functional and green, and the plants are easy to maintain. For example, two operators are needed to run the La Rance plant at night and on weekends. And the plants is durable with little maintenance.Other type of sea energy is current and marine stems. The water in seas are continuously moving. We can use some of the oceans energy , but most of it is out of reach. Capturing this energy problem is not a problem, the real problem is transporting it to the land. Generating electricity in the middle of the ocean just doesnt make sense since there is no one sprightliness in the middle of the sea. We can only use the energy near shore.Using Steam Energy (In W.D.S.)Of course, during the process of desalinating water, steam must be produced. And the moving pressurized steam has tremendous energy in it. Energy in steam is held both in heat and pressure. When heat is applied to a water, the electrons begin to move quickly aroundmolecules. The change of a liquid state to a gas state takes place when the moving molecules take to the air because of its rapidly moving electrons. The water molecules up in the air stay away from each other. When very large number of water molecules are heated, and all repelling each other, pressure builds. When this pressure is released, energy can be generated. When the pressure in steam i s released, it transfers its energy to whatever it hits, so by putting a turbine or a piston, this steam energy will be converted to mechanical one. This movement can be used to generate electrical energy, or it can use the steam energy directly in steam machines, like steams trains.COMPARISON BETWEEN HYDRO ENERGY AND OTHER RESOURCESIn this section I will come over many aspects astir(predicate) hydro energy like the cost of power generation depending on hydro energy. Then, I am going to mention some up and down sides of this energy source.CostHydropower on average is the world cheapest way to generate electricity today. No other energy source, renewable or not, can be compared to it. Today, it costs most a cent per kWh (kilowatt-hour) to produce electricity at a typical hydro plant. Comparing to others, it costs coal plants about 4 cents per kWh and nuclear plants about 2 to generate electricity. Producing electricity from hydropower is cheap because of many reasons. For instance, if a dam has been built and generators installed, the energy source becomes free one. They are cheap also due to their firm structures and simple equipment. Hydro plants are reliable and durable, and their maintenance costs are low compared to coal or nuclear plants.3.2 improvementThe advantages of hydroelectric power are so many. The power weed through the use of dams and turbines is not reliant on coal, oil, uranium, or any polluting nonrenewable resources. Unlike other sources of power, it does not create carbon monoxide smoke, nuclear waste or any other harmful materials. The second advantage is when you construct a dam, it can create power for years and years to come. For example, the Hoover Dam in the US was constructed patronise in 1936 and it still provides a large amount of power to California, Nevada, and Arizona, triad of the most power consuming states. Another advantage is aside from initial construction costs, it is simple and cheap to maintain a turbine. The Hoov er Dam again has had only one large renovation done in the 90 years ago since it was created. The last up side I want to mention, is about water, the source of the turbines power, is one of the earths most abundant resources and it is completely renewable. The tides, dams, streams and lakes that hydro electric power sources use to generate power are always moving about, and the turbine simply captures the power, converts it and sends it out to the needed areas.DisadvantageWhile I spend the majority of report explaining the advantages of hydroelectricity, there are a few prejudices in terms of cost and wildlife damage.The major disadvantage of hydroelectric power, is its initial cost. Building a dam or marine structures is costless thing to do. Another disadvantage is the need of hiring a professional person who can locate where the dam should be built, as well as a place where the water can build up. In addition to that, redirecting the river for a few months while constructing the dam or evacuating a shore and keeping it dry until building the enormous nuzzles, which is a huge project, and will cost billions. Now, to put things in perspective, once a dam is built, all what is basically needed is a few maintenance workers, so costs become low. Secondly, there is a fact that building a hydroelectric power source is terminating the local wildlife. Whatever done, destroying the surrounding landscapes specially for the dam well happen, whether because of building a whole new lake, or because of adding a large wall into an area where fish used to swim freely back and forth hydroelectric power certainly takes a toll on the natural habitat. Fortunately engineers started to become a little more conscious of the damage, by building smaller dams, or by providing overflow areas so that fish do not stuck being. While these changes are floating to the surface slowly, at least(prenominal) they are being made. Finally, there is the element of social change that can happen because of a dam being built. By their nature, all sources of hydropower must recoil the flow of water in order to make them build up pressure to attain maximum results. As the water is limited, towns and villages downstream can sometimes have their water source drained down to a trickle, particularly after multiple dams, waterwheels and simple use of water can dry riverbeds and image some towns without a water source.Overall, though, considering how much potential energy can be gained by hydroelectric power, the disadvantages of hydroelectric power are probably deserving enduring, since they produce so little carbon dioxide, and provide an endless source of electrical power to the area.CONCLUSIONIn this report, I discussed in detail the Hydro power production trend from the past till now. I gave a brief definition of hydro energy and talked about it importance. In the second part, I explained the types of hydro energy that is available in KSA to use. These types are tidal and ma rine streams energy and moving pressurized steam in water desalination plants. I introduced the way of each process, and its main up and down sides of them. And finally, I compared Hydro energy with other resources of energy in terms of cost, environmental impact, simplicity and durability. I found out that it is in fact the cheapest way to produce electricity, also it has a simple and firm structure that can last for years with a little care.