Forensic Science Module Essay

1. DNA or deoxyribonucleic corrosive alludes to the particles that convey our hereditary data. DNA can be found in blood, skin cells, tissues, muscles, bones, teeth, hair, and salivation. 2. Mitochondrial DNA will be DNA that can be acquired from ones mother and is found outside of the cell core. 3. CODIS is a product program that contains the DNA profiles of sentenced guilty parties, missing people, wrongdoing scene proof, and different sources. CODIS works by endeavoring to coordinate the examples of DNA dependent on the thirteen distinct areas or loci inside the atomic DNA. 4. Complimentary base examples are sets that consistently pair up together. Complimentary base patters are so significant on the grounds that the four bases make up DNA 5. RFLP is depicted as the strategy in which DNA is considered, by utilizing a chemical to cut DNA strands into various areas. Constraints to this procedure incorporate the way that it requires a huge example of DNA and tests that convey earth o r form for the most part won't work great with this sort of test. 1. I trust DNA has had and keeps on having such an effect on criminological science on the grounds that a DNA test can help make sense of who was associated with a wrongdoing and even who was the individual who carried out the wrongdoing. 2. I trust a portion of the difficulties that accompany gathering DNA proof could incorporate the DNA test possibly getting harmed, by factors regardless of whether incorporates regular causes, for example, earth, residue, and form. A few different ways that I could beat these potential difficulties incorporate attempting to gather more DNA tests that are not demolished or harmed you can likewise endeavor to clean the DNA if conceivable. 3. The distinction between mitochondria DNA and atomic DNA is that mitochondrial DNA is acquired from the offsprings mother while in atomic DNA it is blended and coordinated so it is unique. I would pick atomic DNA to work with in light of the fact that it is progressively mind boggling which implies it is more uncertain for any two individuals to have a similar example while mitochondrial DNA has less changeability starting with one then onto the next. 4. On the off chance that I needed to examine DNA tests I would pick the polymerase tie response to investigate the DNA. PCR makes strands of DNA from little examples of DNA at wrongdoing scenes. I would pick this strategy in light of the fact that for one it is reasonable, doesn't take exceptionally long, and can be effective with simply even a little bit of the DNA test. 5. The specialists declaration can be excused by scrutinizing its believability, instruction,

Security of ENISA Threat Landscape 2014

Question: Examine about the Security of ENISA Threat Landscape 2014. Answer: Presentation ENISA (European Union Agency for Network and Information Security) is the main community that gives proposals just as recommends powerful practices with the assistance of aptitude instructs for diminishing the effect concerning data security dangers. This report is enveloping different techniques for joining dangers and social hacking measures that are hurtful for data framework. This direction gave in this report expounds methodologies that are helping in improving ETL process inside associations. This contextual investigation considers the best difficulties for ENISA. Portrayal of the Case Study As per the ENISA danger scene report, it is only the exploration results of a year learn about the danger scene inside the middle (ENISA Threat Landscape 2014 ENISA, 2017). This contextual investigation is fundamental incorporating the data about the data security dangers and other significant perspectives going on inside the association. What's more, the depiction about the ETL 2014, incorporate a few sorts of digital dangers that includes different security danger properties inside this conversation. The ETL 2014 is useful in distinguishing the information moves and discoveries about these data security dangers discovered during the examination. ID of Strategy for Insider Threats Intermittent hazard appraisal: Risk evaluation is significant so as to know about the dangers and data security dangers required inside the data framework. This procedure of dangers evaluation helps the associations and different clients in recognizing the imperfections of the framework. Preparing attention to workers: Training mindfulness program includes provisions of rule to the representatives so as to deal with the data framework in a compelling manner (Amin et al., 2013). Detachment of obligations and least benefit: Information framework heads are consistently answerable for dealing with the data inside the association (Cavelty, 2014). In this way, their obligations ought to be kept up as for framework. Exacting passwords and record the executives strategies: Strict passwords and setting includes great foundation that offers the client made sure about set okay with overseeing data framework design. Online checks against worker exercises: Monitoring on the web activities are useful in working noxious dangers that are executed by the representatives inside the data arrangement of the association (Dunn Cavelty, 2013). Noteworthy Threats and their Causes In the contemporary occasions, the dangers of the data framework are expanding step by step. These dangers are arbitrarily expanding as the data spillages associated with hierarchical data framework are expanding because of different reasons (Fischer et al., 2014). There are different sections that join data dangers inside the framework design. These are portable figuring, virtualization of system, digital tasks and so on. As per the reviews done on the data security dangers, 2012 is seen as the most significant year identified with the digital and data security dangers (Holm et al., 2013). Data spillage is being considered as the best reason behind the data security dangers. Conversation on Key Threat specialists There are different sorts of dangers specialists accessible in the data frameworks. As per the ENISA danger scene, a portion of the significant Key Threat specialists are being expounded in this piece of the report: Cybercriminals: Cybercriminal are ordered as the speculation of the considerable number of programmers and others those are associated with damaging data security. Online Social Hackers: Online social programmers are answerable for making exercises viral. These sorts of individuals present different dangers and hacking exercises (ENISA Threat Landscape 2014 ENISA, 2017). Hacktivists: Hacktivist are that individuals those are liable for dealing with a wide range of hacking exercises inside any server or data framework. Content Kiddies: This objective gathering is comprising of the youthful people those are excited about the accomplishments (ENISA Threat Landscape 2014 ENISA, 2017). These individuals are consistently present on each individual framework engineering of the data framework. Digital psychological oppressors: Cyber fear based oppressors are those individuals who are liable for making digital assaults viral and viable to the general public. Effect limiting procedure of dangers Observing arrangement: Monitoring plan helps the digital security officials to check the effect of security dangers inside association. Controlling plans: Controlling arrangement of security dangers and data security challenges helps the data security officials in recognizing the issues (JooBeom et al., 2014). Audit assortments: Review assortment causes the CIOs to recognize the effect and urgent impacts of data security dangers. Rundown on Social Hacking Issues Social hacking issues are only the endeavor of controlling the social practices with the assistance of coordinated activities. The principle issues related with the social hacking worries about the infringement of authorization inside any close to home data (Luiijf et al., 2013). Social hacking assaults are presented by imitating with singular gatherings of individuals. These individuals are in a roundabout way or straightforwardly engaged with the programmers. This is fundamentally done so as to make arrangement about certainty of casualties. Social programmer presents position of the authority inside the space of hacking (Mansfield et al., 2013). Social architects are fundamentally liable for presenting social hacking exercises inside data frameworks. Online networking is totally influenced by this action. Clarification of danger probabilities As per the ENISA danger likelihood investigation, it is discovered that there are changes recognized in the time of 2014 in correlation with the year 2013. As per the danger likelihood examination inside these two years, the top danger in the time of 2013 Drive by Downloads isn't the top danger in the time of 2014 (ENISA Threat Landscape 2014 ENISA, 2017). This danger has reduced an incentive in the following year. The figure howl is demonstrating the decreased and expanded likelihood of some considered dangers engaged with ENISA. Act of spontaneity strategies for ETL process The ETL procedure can be improved with the assistance of using the accompanying procedure. These are depicted as follows: Suitable Analysis: Collection of data must utilize the proper examination strategies for decreasing the odds of data dangers (Robinson et al., 2013). This enables the data to official in recognizing dangers and issues associated with ETL process. ID of issues in wording decreases the dangers. Recognizable proof of techniques for settling dangers: Identification of legitimate strategies for picking techniques for settling dangers are significant so as to lessen the effect of these dangers. Usage of powerful techniques: Effective use of distinguished strategies for settling dangers and data security issues presents compelling danger operators (Von Solms Van Niekerk, 2013). Impeccable systems can limit the dangers. Conversation on dangers that challenges the security arrangement of ENISA As per the contextual analysis of ENISA, this is discovered that Phishing can be recognized as the best and destructive assaults that is persistently influencing the data framework from 2013 to 2014 (ENISA Threat Landscape 2014 ENISA, 2017). This assault has kept up its position rundown of significant assaults. Phishing is only such sort of assault that influences client information. This assault uncovers individual and friends data from clients. This danger has positioned in the best ten dangers in the rundown of dangers in the time of 2014. Avocation of fulfillment of ENISA for their current state in security framework There are different purposes for the fulfillment of ENISA in comprehending their issues related with the data security or data framework. These are clarified in this part: National security development of ENISA: National security ought to must be overseen by danger settling methods. Sharing acts of data in ENISA: ENISA is happy with their systems as these would not include security issues inside their foundation (Wang Lu, 2013). Association among open and private divisions of ENISA: Information security includes great open and private offices inside the framework design of the middle. End This can be reasoned that the danger scene of ENISA 2014 is including significant advancements inside their foundation that envelops data about different dangers. Furthermore, there are a few changes that are fused inside the danger scene. Likewise, this report is clarifying the different data security dangers and their goals forms. Twelve reports are examined before setting up the ENISA Threat Landscape. The entirety of this data is identified with digital security dangers and mal-rehearses. Regardless of this, there are different significant dangers that are affecting on the ENISA. These dangers are explained in this report. References Amin, S., Litrico, X., Sastry, S., Bayen, A. M. (2013). Digital security of water SCADA systemspart I: investigation and experimentation of covert misleading attacks.IEEE Transactions on Control Systems Technology,21(5), 1963-1970. Cavelty, M. D. (2014). Breaking the digital security situation: Aligning security needs and evacuating vulnerabilities.Science and designing ethics,20(3), 701-715. Dunn Cavelty, M. (2013). From Cyber?Bombs to Political Fallout: Threat Representations with an Impact in the Cyber?Security Discourse.International Studies Review,15(1), 105-122. ENISA Threat Landscape 2014 ENISA. (2017).Enisa.europa.eu. Recovered 6 January 2017, from https://www.enisa.europa.eu/distributions/enisa-

Designed House Cooling System Research Paper Example | Topics and Well Written Essays - 1500 words

Planned House Cooling System - Research Paper Example The plan to be extemporized is reasonable and promptly accessible. As indicated by Givoni, nations with hot, moist atmospheres require a structure design that gives a possibility to cross ventilation. The accompanying layouts the need includes in the taking care of the lodging issue in A Minh as for getting a peaceful environment.†¢ Roofing will establish the utilization of light considering textures interlaced coconut leaves to lessen cost. The pith of utilizing intelligent materials is to limit the degree of assimilation in this manner, limiting the measure of warmth to the lodging unit.  †¢ The rooftop will be limited and tall to upgrade air flow and give space for air developments; it will likewise be stretched out to give additional space to concealing and less warmth radiation along these lines, limit heat from the sun going into the house. Cool rooftops are strikingly viable in the decrease of intensity utilization for cooling system.†¢ Double roof consolidati ng promptly accessible materials and reaches out with the rooftop to encase and forestall any warmth assimilation to the house. The roof protection will be waterproof and warmth safe material like old papers or clothes.â †¢ There will be an extractor fan intended to be introduced ten meters over the ground in the house.  This will improve air dissemination by utilizing air from outside to cool the house. A fan is a machine utilized for ventilation of a room or any encased dispersed.  It removes air and dampness thus keeping the house less humid.â ... The roof protection will be waterproof and warmth safe material like old papers or garments. There will be an extractor fan intended to be introduced ten meters over the ground in the house.1 This will upgrade air dissemination by utilizing air from outside to cool the house. The fan is an apparatus utilized for ventilation of a room or any encased spaced.2 It separates air and dampness henceforth keeping the house less moist. Warm air ascends as it is lighter than cool air, in this way removed by the fan put in the house. Thusly, the sun warms the air in the rooftop space; in this way, the nearness of the fan is profoundly basic as it will remove the warm, muggy air from the house before it flows. The windows will be put on inverse sides of the lodging unit, and the direction of the house will be coordinating towards the heading of summer winds. The situating is in such a way as to improve section of cool air in the first part of the day and encourage most extreme air course when it is hot. The windows will be joined by shades which will improve air flow and add to the cooling procedure. The roof and inside material of the house will be protected with promptly accessible materials like old papers, garments, shoes, and rice husks. This will keep up the cool air in the house as it won't permit heat from outside to go into the lodging unit. The utilization of evaporative window strategy is additionally basic in cooling framework; this can utilize old attire materials on the enormous windows formulated for air circulation.3 Consequently, the windows will be broadened, set over the plants outside and sideways planned at 20o-120o to the divider to improve cooling system.4 They will likewise contain screens that

Lady Or The Tiger Essay Topics

Lady Or The Tiger Essay TopicsTo be sure, some essays will do better with a particular topic, especially if it is something that is unusual for them. For example, if a girl wants to use a topic on politics, then politics will always be best for her essay topic. Many online help sheets provide short essay topics that will work for different student subjects. You may find some for the English, Math, Chemistry, Science, and many other subjects.However, some topics may not be very interesting to you when writing your own essay. Some topics will simply be too easy to write about. They may be boring and require too much effort. This can be easily remedied if you choose an interesting topic for your own essay. The lady or the tiger essay topics are some examples of this.One topic that is very popular among students is the subject of history. Students can choose to write about any historical event such as World War II, James Joyce, George Washington, the United States of America, the First A mendment, the Second Amendment, or John Adams. You may choose to go back and read the speeches of these people and what they did, but you will want to focus more on how they effected history.Another subject that is very interesting is science. Students can choose to focus on topics such as Black holes, Galaxies, The Higgs Boson, Alpha-particles, and many other subjects. These topics are very interesting to look at because they tend to deal with things like time travel, black holes, etc.Even though there are no human beings in the pictures, if you are writing about body language, then you will want to make sure that you capture the essence of the movements that people make when in conversation. You will want to make sure that you use phrases that capture their body language so that you can convey the message clearly.There are various essays available on the Internet that are quite interesting to look at. You will want to choose the topic that is right for you and make sure that you d o not plagiarize someone else's work.The lady or the tiger essay topics are very entertaining and can help students learn about what they have to learn while writing an essay. You may also find that these essays are quite enjoyable to look at. The essay topics are really helpful and can help you learn more about what you have to learn in an essay.

The Client That I Had - 978 Words

The client that I had in 3East was Marjorie. Marjorie was a great patient who was indeed a feisty lady. She lives in Des Moines and lives alone at home. Before admission to 3East, Marjorie was taken to the ER by recommendation of a home health physician due to high levels of glucose. In the ER, Marjorie began to get agitated as noted in the ER course notes. While being in the ER, they found that she had a UTI. The principle problem for admission to 3East was for Delirium; the Delirium would have been due to the UTI found in the ER. Marjorie has been diagnosed with osteoarthritis, transient cerebral ischemia, hyperlipidemia, coronary atherosclerosis, dementia without behavioral disturbance, and type II diabetes mellitus. Prior to admission she was diagnosed with acute cystitis without hematuria and delirium. The current health status is that she has hyperglycemia; serum glucose levels have been high during her stay at the hospital. At her admission her glucose was at 242 but has conti nued to lower. At the start of my clinical day I went to go meet up with my nurse, who was Angie. After meeting up with her I headed to Marjorie’s room to go take her vital signs. I took her temperature, blood pressure, pulse, respirations, and pulse oxygen. I also asked if she was in any pain. I ambulated Marjorie to her chair and to her walker, where then I took her on a walk in the hallway which he did very well with. I checked on her intake on the breakfast she received during clinical.Show MoreRelatedI Had One Client Who Was Schizophrenic883 Words   |  4 PagesI had one client who was schizophrenic so I did a lot of research on schizophrenia (Gray Zide, 2006). There was not a lot of encouraging treatments for schizophrenics. Cognitive behavioral therapy was one suggested therapy, and I tried using this along with reality therapy by having my client start using a journal to track her thoughts and find positive things to focus on. This technique was really helpful to her. I also had one client who was schizoaffective with depressive features. He wasRead MoreThe Client Has High Motivation For Treatment Within Mrfh785 Words   |  4 PagesThe client has high motivation for treatment within MRFH. The client was diagnosed with Alcohol Use Disorder: Severe and Cocaine Use Disorder (crack): Moderate. The client sought treatment at MRFH when he realized he had lost control of using alcohol and crack cocaine. The client stated he attended the MRFH program in the 1980 s but does not remember the exact date of attendance. The client stated he was diagnosed with Mild Depression by a primary care physician when he was 56-years-old. The clientRead MoreThe Importance Of Creating A Comfortable Context1399 Words   |  6 Pages1) I take responsibility for creating a comfortable context in which to communicate. I arrange for the client’s comfort. Within the role play session of providing drop-in counselling to a client I took responsibility of the setting. Prior to when the client arrived to the session, I as the counsellor took the time to prepare the space which was set to be intimate, personal, comforting, inviting, and non-distracting. To create this type of space I provided large chairs for the clients comfortRead MoreThe Theories And Practices Of The Social Work Profession1379 Words   |  6 PagesWhen treating clients in the social work profession, there are many theories and practices that are used to help each client. Every social worker uses theories differently and has their own therapy techniques that they use with clients, depending on the situation that the client is in and what they are most likely to respond to. Person Centered Theory (PCT) and therapy was developed by Carl Rogers (Walsh, 2015). This approach allows the client to be at the center of their own therapy. Person CenteredRead MoreSelf Critique Of Social Worker Role906 Words   |  4 PagesSelf-Critique of Social Worker Role This particular client was very withdrawn, quiet, fearful of telling the truth, fearful of mother reactions to services and not familiar with working with lighter skinned people. This client was hesitant initially with treatment and services and seemed to not be aware of the unhealthy situation she was in. She did not have ambitions, plans, or hopes for the future. The client was compliant to the mother’s requests, and did not stand up for herself when being attackedRead MoreEthical Issues Regarding The Interview Session Was The Client s Mental Health Issues1186 Words   |  5 PagesReport 1. Kingsford Legal Centre sees a range of clients, many of whom are disadvantaged in some way. What were some of the ethical and/or professional issues and considerations that arose during your interviewing sessions? How were these issues addressed or resolved? How might they be different from working with other types of clients? (350 words) One ethical issue that arose during the interview session was the client’s mental health issues. I decided not to delve into these mental health issuesRead MoreAfrican American Cultural Values And Norms1653 Words   |  7 PagesWhen beginning work with the client, there were a number of apparent differences between her and myself, including age, race, and social class. As previously stated I had to become more culturally competent about working with African American clients before I started seeing the client. Furthermore, I had to become aware of the difficulties that would be present due to our age difference. I made sure to give Betty the opportunity to tell me how situations made her feel, and empathized with her, makingRead MoreDescribing the Concept of Counselling1793 Words   |  7 Pagesopinions. I was wrong about what counseling really is. Basically, counseling is a form of helping the client to focus on his or her needs and goals in life. Counseling can only be done in a confidential setting to explore a crisis the client is having, the misery they may be experiencing or maybe their dismay with life or loss of a sense of direction and purpose. Counseling is not about advising or directing client to take a particular course of action but it is about helping client to understandRead MoreCounseling Skills: The Ingredients of Successful Helping1042 Words   |  4 Pagessecond guess myself on rather if I should continue my education towards being a counselor. Going into this class I thought that I was going to love counseling and come out being able to fix peoples problem. It was the total opposite. Just this semester, I learned about the ingredients of successful helping, helping relationship/ values that drive it, turning in and listening, working at mutual understanding, the art of probing and summarizing, f acilitating client self-challenge from new perspectivesRead MoreWhat Is Client Centered Practice?1575 Words   |  7 Pagespractice and believes in client-centered practice. I believe client-centered practice is extremely important in any health field. It is critical to create the therapeutic process based on the client’s wants and needs. I also believe a client will need a source of motivation in order to want to continue to work hard in their therapy. If a client is not motivated in their therapy, it is the therapist’s job to find something a motivating factor for the client. This helps the client have a more successful

The Problem Of Drug Addiction - 1042 Words

OPENING/ATTENTION: In reality, drug addiction is an unpredictable ailment, and stopping takes more than great goals or an in number will. Truth be told, because drugs change the mind in ways that cultivate compulsive drug misuse, stopping is troublesome, notwithstanding for the individuals why should prepared do as such The dependence on medications is a troublesome thing for any person to bargain with. Often, habit prompts the decay of a man s prosperity, budgetary security, and health. Drug addicts experience serious difficulties an occupation, their families endure the results, and here and there the addicts get themselves either in a bad position with the law, or destitute on the road. The issue of treating medication abusers has†¦show more content†¦BEING POOR HE SAID NO FOR THE FIRST TIME BUT AS WE ALL KINOW THAT FRIENDS ARE THERE TO HELP US EITHER IN A GOOD WAY OR BAD BUT THEY DO HELP SO HE TRIED IT FOR THE FIRST TIME HE ENJOYED A LOT. AS USUAL ALL OF US HERE KNOW THAT PEOPLE BEFORE DOING SUCH THINGS SAY THAT THIS IS MY FIRST AND THE LAST TIME. BUT THE THINGS WENT WRONG HE STARTED DOING IT EVERYDAY AGAIN AND AGAIN. HE STARTED BUNKING HIS SCHOOL AND STARTED ROAMING WITH MAFIA GANGS AND DO WHAT JUST GET HIGH EVERYDAY.UNFORTUNATELY ONE DAY HE WAS SMOKING NEAR THE METRO STATION THERE ONE GUY CAME AND ASKED HIM FORE STUFF WHEN HE REFUSED TO GIVE HIM THE GUY WHO ASKED FOR STUFFS REMOVED HIS KNIFE AND STABBED HIS BACK. THEN THE NEXT DAY WHEN HE WOKE UP HE SAW HIS PARENTS INFRONT OF HIM AND CRYING. THAT WAS THE DAY HE FELT LITREALLY VERY BAD AND HE RFEGRET FOR WHATEVER HE DID AND THE QUESTION WHICH WAS BOTHERING HIM AGAIN AND AGAIN WAS WHY THE HELL AM I DOING ALL THIS ? WHY AM I MAKING THEM CRY THE ONES WHO TAUGHT ME HOW TO EAT HOW TO WALK AND STUFFS†¦SO THEN HE DECIDED TO STOP ALL THIS. AND TO BE HONEST TODAY HE IS A BIG DANCER HE EVEN TRIED IN MANY DANCE SHOWS. Additional quick facts: ï‚ § Addiction is a mind disease. Addicting substances change the way the cerebrum works, particularly its prize circuits or delight pathways. These progressions lead to the practices we perceive as the

College Should Ban Smoking free essay sample

Smoking should not be permitted on college campuses In contemporary world, the human society is progressing rapidly on various fronts. Yet at the same time, many problems have arisen, one of which is whether students can smoke on campus. This issue has drawn widespread attention. Some people assert that smoking is individual right so that they can smoke on campus while many others argue that smoking on campus is not only related to their own health issue but also influence other non-smokers and environment. In my perspective, I am in favor of the latter view. Smoking should not be allowed on college campuses. It is evidently reasonable for some to argue that smoking on campus is not healthy for smoker and non-smoker. As we all know, smoking is detrimental to our health. Every year we can know that a large amount of people die from diseases caused by smoking cigarettes such as lung cancers, heart diseases and stroke. There is the mixture of nicotine and carbon monoxide in each cigarette that can increase heart rate and blood pressure, straining your heart and blood vessels. Secondhand smoke is also unhealthy. Secondhand smoke also called environmental tobacco smoke, involuntary smoke, and passive smoke. It is the combination of â€Å"side stream† smoke (the smoke given off by a burning tobacco product) and â€Å"mainstream† smoke (the smoke exhaled by a smoker). It can also cause heart diseases, respiratory disease and cancers. As college students, I think the main task on campus is study knowledge and we can enjoy the good academic atmosphere. But sometimes we walk around campus; it is not difficult for us to find students smoking on public area such as lawn, outside the library and the door of teaching building. When we walk by these smokers, we are the victim of secondhand smoke; our nonsmokers will be sickened by exposure to others’ tobacco smoke and some even have allergic reactions. It is severely harm to our non-smokers’ health and rights and influence our daily life in college. We afford tuition fees to college so that we can get a good atmosphere to study and college also have duty to ensure our study lives and security on campus. Therefore, many colleges have published policy that students are smoke free on campus and I assert it is responsible for every student’s health and rights. Moreover, I want to mention that smoke on campus is also detrimental to environment and it will cause bad influence on every student, faculty member, staff person and visitor on campus. Undeniable, it can produce carbon dioxide and nicotine that cause air pollution when people smoking. Cigarettes contain over 4000 chemicals and they all release to air and atmosphere. Maybe some guys will say how it causes pollution by such a little waste gas release to air? Do not forget that at present there are 1. billion smokers in the whole world. It means there is a massive amount of pollution being released into the air every day and it is a huge number that enough to influence the environment. The polluted air is harmful to our health especially effect our lung and respiratory tract. There is not only just air pollution caused by cigarettes but also pollute the land and water. I always see the phenomenon that people who smoke on campus or other public areas throw away the cigarette butts on la nd and on grass. When guys finish smoking, they throw cigarette butts at any place; whether there is a waste bin or not. Another severely issue is if the cigarette butts do not eliminate, it is easy to fire. In addition, when throw cigarette butt into river, it can also pollute the water we drink and use. If fish eat it by mistake, they will die from it. If people throw it on ground, the chemicals will pollute the soil and plants. Therefore, smoking is detrimental to environment. Another issue is smoke on campus can lead to bad influence on staff and visitor. As is well-known, college is a place for us to accept knowledge. Not only staff but also students are exhausting every effort to establish good academic atmosphere and energetic image. If you walk around campus and find many students smoke everywhere, how do you think about this college? Smoking on campus is still a sensitive topic; it may lead to you suspect this campus ethos and the quality of students. So I think smoking on campus is not only influence environment but also cause bad image on staff and visitor. On the contrary, some people are still against smoke free on campus; because they hold viewpoint that smoking is their individual stuff. At this age of society, people all advocate freedom and fair rights so that they think smoke free on campus is against their rights. Definitely, they have rights to smoke at any place they want, but if their behaviors bring out some negative effects to the public, it must be banned. We all understand that there is no benefit from smoking, even it can bring severly damage to our health and life. So I think it is necessary for college to publish policy of smoke free on campus. Acctually, I think that is not the only and best way; and we must consider smokers’ rights and feeling. Therefore, I just come up with a suggestion that college can bulid a smoking room in specified area for smokers. It is not only provide a place for those smokers but also make non-smokers far away from the influence and disturb of cigarette smoking. In conclusion, it is necessary to ban smoking on campus; although smokers argue this behavior encroach rights.