polar bears and climate change essay

also offered here. The lesson plan includes links to a number of videos with suggestions of how to integrate them into the lesson. (2008). The greenhouse effect of global warming is said to be caused by methane and carbon dioxide which form a layer in the atmosphere. Although polar bears are good, strong swimmers, they are not as well fed as they used to be, due to the lack of hunting land. Climate change in the world can be caused by various activities. As climate change melts the ice, it is projected that two thirds of polar bears will disappear by 2050. (Polar Bears International, 2008, par. To reach these places, the ice cycles should be regular to be able to help these bears reach their destinations on time. Beyond government efforts, individuals can truly help force governments to fulfill their environmental obligations by lobbying for the implementation of the Kyoto Protocol and other environmental issues. In 2006,  Julius Kenneth Ningu and his colleagues made a report on how the North American Free Trade Agreement (NAFTA) was creating negative effects on Mexico’s environment. (n.d.). Endangered animals – Polar bear. About the Polar Bear. Want to add some juice to your work? (2002). In just a few years, the government had to relax on its environmental policies to enable private corporations to weather the economic crisis and for the country to be able to meet the standards of the agreement. Don’t waste Your Time Searching For a Sample, Get Your Job Done By a Professional Skilled Writer. Since polar bears are fully dependent on their icy habitat, losing the ice can lead to their extinction. Help. To help stunt the detrimental effects of global warming, people and governments must put aside financial gains and demerits because not only do the polar bears need to survive but man as well. Essay, 4 pages. This could be because more energy is spent moving on top of drifting ice compared to walking on solid icy ground. The loss of sea ice affects polar bears’ ability to find food, studies show. According to the IUCN/ Species Survival Commission Polar Bear Specialist Group (2002, pp. Pollution as a risk factor for polar bears is still well below the peril of climate change, but there is a link. For example, the carbon footprint of a single 100 watt light bulb is one pound of coal running for 10 hours. POLAR BEAR FROM CLIMATE CHANGE. This sample is completed by Emma with Health Care as a major. Don't Miss a Chance to Connect With Experts. She is a student at Emory University, Atlanta. Let Professionals Help You, Leave your email and we will send you an example after 24 hours 23:59:59, Let us edit for you at only $13.9/page to make it 100% original. Journal, Derocher, A., Lunn, N.J. and Stirling, I. He also presumes that by the year 2050, the ice lying over the continental shelf would be displaced into the polar basin. 4) Their bodies would not have been able to get enough of the fat they would need for their four-month fast. April 2, 2008 from http://news.bbc.co.uk/2/hi/science/nature/2642773.stm. 4). October 9, 2014. 4). Many scientists point to climate change as the largest threat to polar bears. This layer keeps the heat being produced within the earth from going out of the planet under normal atmospheric circumstances. 2008. Type: Here you will also find the best quotations, synonyms and word definitions to make your research paper well-formatted and your essay highly evaluated. Ningu, J.K., Jacome, J.T., Silva Gomez, S.E. Geography Essay Polar Bears and Global Warming Climate change is the key reason that polar bears are being pushed closer and closer to extinction. We use cookies to give you the best experience possible. The western part of the Hudson Bay is where the ice is known to melt in the summer and freeze back in the fall. Assignment Discovery School  Lesson Plan. Trillions of diatoms, zooplankton, and crustaceans pepper the ice column. Abstract Climate change continues to be an issue that generates a lot of discussion globally. (2002) In N. J. Lunn, S. Schliebe, and E. W. Born, (eds. There are already many programs being done by different environmentalists like the International Union for Conservation of Nature (IUCN), Humane Society of the United States and International fund for Animal Welfare to help lessen the threats on polar bear survival. Observations also note that polar bears move to land when sea ice quantity goes below half of its normal number. The way the earth’s climate has been changing is a very hot topic among scientists today. (Briggs, 2003, par. ... “Effects of climate change on polar bears.” Sci Prog 91(2008):151-73. Global warming is the main cause of the problem at hand. There are other sources of global warming such as the destruction of the ozone layer due to man’s use of chlorofluorocarbons (CFCs), over population while decreasing tropical rain forests, etc. Essay, 6 pages. As long as the polar bears have ice caps to hunt on and rest on in between swims, less polar bears would die from starving or drowning. However, if global warming will cause the ice to melt and lessen the current quantity of food, the bears may have to wander nearer human dwellings for their own chances of survival. There used to be concerns between Norway and Russia, as to who should be responsible for the care of the Ursus maritimus or polar bear since they can be found in both countries. The length of time is irrelevant because the urgency of combating global warming can truly be seen with its predicted and already on-going effects. That same month, the UN Security Council—at the initiative of the UK government—held its first-ever debate on the potential impact of climate change on peace and security. (435), 4.7 Climate change not only affects polar bears and the artic regions of the world, but it also endangers all life on Earth. However, global warming is still an issue that can be better addressed by the public. The Effects of North. According to The U. S. Fish and Wildlife Service, the declining amount of sea ice is the number one threat against the survival of polar bears (Campbell, Para. Want to get a price estimate for your Essay? Is global warming anthropogenically caused or natural to earth’s systems? Some scientists believe that global warming affects the cycle by making the ice break up earlier annually while delaying its freeze. Polar bears, as can be shown in the Food Chain Model below, are on top of the food chain in the arctic regions and feed on ringed seals and walruses. The adult male polar bears prefer the blubber of their prey and usually leave much of the protein behind (Stirling and McEwan, 1975 cited in Derocher, 2004) for younger polar bears who are not yet good in catching prey. of service. Get a verified writer to help you with Polar Bears Warming Up to Climate Change, Polar Bears’ Hierarchy in the Arctic Kingdom, Polar bears are known to be the world’s largest land predator. Although more and more advocates have been trying their best to cause enough awareness about the problem of greenhouse gases, a good remediation program for the polar bears would be dependent on a good program against global warming. Polar Bears Suffering: How Global Climate Change is Affecting Their Home Keelei Sage BIO 240 12:30 pm T/Th Dr. Zanatta Fall 2012 When I was about nine-years old I went to the Detroit Zoo for the first time, and I remember the best part was getting to go inside the big tunnel and see the polar bears and seals swimming all around me. Beluga                  Ringed Seal          Thick-Billed Murres               Walrus, Bowheaded Whale                Arctic Cod                 Arctic Tern. Sorry, but downloading is forbidden on this website. By clicking Send Me The Sample you agree on the, Climate change occurs when changes in Earth’s climate system result, Climate Change and Global Warming Analysis, When trying to comprehend poetry in terms of what meaning it bears, Isolation and Identification of some Polar Compounds from Helichrysium Cyomsum, An Outline of Global Climate Change on Earth, Determinants of Awareness in Concern to the Climate Change Among Malaysian Students, Ask Writer For This essay will focus on how has climate change and increase in temperature affected the polar bears and what can we do about it. Our customer support team is available Monday-Friday 9am-5pm EST. 13). 2). The polar bear’s predicament is a controversial topic, because in order for the government to put polar bears on the endangered species list, they would eve to admit that global warming is real and is happening right now. Some say that it will only take around 50 years before the ice in the Arctic will melt while others say it may take around 100 years. Canadian Medical Association Journal, Vol. Course Code N/A . Studies carried out... Every week, we’re seeing new reports about extreme weather events, varying from frequent and extreme storms to unprecedented heat waves, evidence that our climate is changing around us faster than predicted. (US Senate, 2008). However, global warming is not just an issue worth noting for polar bear survival but for human existence as well. One animal whose home is rapidly disappearing is the Polar Bear. If humans were able to limit the amount of green house gases that we release, maybe we could slow the warming of the planet and stop the ice caps from melting and never reforming. As the distances between frozen arctic caps Increases, so does the number of bears that drown. 4.7 Lessening use of fossil fuel is a must and the public must support the new inventions being made that would help decrease the problem of global warming. However, this can be fatal for both species because humans may have to get rid of the polar bear for protection or else the bear will consider the human its prey. As survival becomes less likely, fewer females give birth and fewer cubs actually survive. Copying content is not allowed on this website, Ask a professional writer to help you with your text, Give us your email and we'll send you the essay you need, Please indicate where to send you the sample. All the content of this paper is her own research and point of view on Polar Bears And Climate Change Essay and can be used only as an alternative perspective. The algae sink to the bottom, and in shallow continental shelf areas they sustain a food web that includes clams, sea stars, arctic cod, seals, walruses–and polar bears (McGrath, Para. In Canada’s Western Hudson Bay, the annual ice break-up is observed to be occurring about 2.5 weeks earlier than 3 decades ago. (2006). According to a very extensive study made by Andrew Derocher, Nicholas Lunn and Ian Stirling (2004) entitled Polar Bears in a Warming Climate, factors such as the decreasing area of Arctic Sea Ice, lessened multiyear ice, timing of ice formation or break-up, denning, movements of the bears on the sea ice, quantity of prey, human-polar bear interactions and pollution all combine to threaten the survival of the species. Lessening the number of arctic ice would greatly affect the food resource of the species. This global climate change has made it difficult for the animals in these regions to survive. In spring, sunlight penetrates the ice, triggering algal blooms. IUCN/SSC Polar Bear Specialist Group. When temperature rises, many different changes can occur on Earth. Environment and health: 7. Sea ice is the foundation of the Arctic marine environment. Polar bears (Ursus maritimus) are the poster child for the impacts of climate change on species, and justifiably so. Polar Bears’ Hierarchy in the Arctic Kingdom Polar bears are known to be the world’s largest land predator. Type: According to a previous report by Comiso (2002b cited in Derocher, 2004) the ice cover in the Arctic is already declining at the rate of 9% every ten years; which means that the ice may be all gone in just one hundred years. (Hammil and Smith, 1991 cited in Derocher, 2004) If this can become a trend wherein in warmer temperatures will cause the earlier onset of rain which will wash away the protection of seal pups, then, it is also possible that the population of ringed seals will decline as newborns are given less chances of survival. Additional materials, such as the best quotations, synonyms and word definitions to make your writing easier are However, the U.S. and other countries failed to implement it and continue to bypass the promises made during the planning of this pact. Polar bears are considered endangered in the U.S. and are listed as “vulnerable” by the IUCN, because their sea ice habitat is under threat from climate change. By century’s end, polar bears worldwide could become nearly extinct as a result of shrinking sea ice in the Arctic if climate change continues unabated, scientists said. Slowing this death rate would increase the amount of cubs born each year and the survival rate would increase as well. Some believe it to be caused by the earth’s natural geothermal development and part of the normal change that the planet should be undergoing. Therefore, the polar bear can feel far removed for our own personal reality – thus making biodiversity loss and climate change feel far removed for our lives. A slow and steady increase in the temperature of the earth’s atmosphere, environment, and its oceans is believed to be permanently changing the earth’s climate. Hi there, would you like to get such a paper? Polar bears have been under the protection of the different governments their habitats are found. Photo copyright Dr. Andrew Derocher. Vital organisms live underneath and within the ice itself, which is not solid but pierced with channels and tunnels large, small, and smaller. Therefore, I believe that remediation programs are already in place but these need the sincerity of governments, especially the ones powerful economically, to succeed. Governments must find the will to implement the laws that they already know are correct to be able to help all humans survive. Polar bears never have faced periods as warm as we could see in the next 50 years. An American vice president, Al Gore, said that while the reason behind dinosaurs’ extinction over 65 million years ago was because of a giant asteroid, the species that are dying out every minute of our lives are not just because of some havocs, but it is US-human (Al Gore, 2006, internet). (657), 4.8 (2019, Nov 27). Temperatures in the Arctic are rising at least twice as fast as the global average and sea ice cover is diminishing by nearly four per cent per decade. Warmer dens with fire-risks are not suitable for pregnant polar bears and their cubs. Global warming affects every part of our daily lives whether its economic or pressing issues that influence our political and financial systems. Sci… Although polar bears love to swim, using too much energy can also cause poor health and reproduction for the polar bears. Climate change causes tremendous spread of certain infectious diseases and increased death rates related to heat waves. Polar bear (Ursus maritimus). They hunt on seals that are found on sea ice. The Arctic is arguably being affected by climate change twice as hard as the global average because it is warming twice as quickly. With the ice retreating earlier in spring and forming later in winter, the bears have less time to hunt prey and have to go without food for longer. the Norwegian and western Russian Arctic. More human interaction will also increase the polar bears’ exposure to pollutants which can affect its population. words(double If this happens, then global warming will affect the population because of the cubs that can be lost due to the conditions mentioned. These magnificent bears depend on the tundra to provide a frozen landing for hunting and taking a break while swimming far distances. Pp. social effects on aspects such as health, food production, and growth. For example, it can result in more floods, droughts, or intense rain, as well as more frequent and severe heat waves. This has been problematic because most people don't live anywhere near polar bear habitat. cited in Derocher, 2004) This is important because when the ice breaks sooner, the polar bears have shortened time to feed on seals which can greatly affect the conditions of their bodies throughout the year. Species loss and ecosystem disruption — the, implications for human health. However, this is a time pressing matter, because within the next 50 years, the polar bear species could be wiped out completely. Polar Bears in a Warming Climate. Effects of climate change on polar bears Scientists estimate that if current forecasts are correct about the future extent of sea ice, then two-thirds of the polar bear population will become extinct by 2050. Global warming is simply a climate change. Retrieved from https://studymoose.com/polar-bears-warming-up-to-climate-change-essay, Type: Conclusion Polar bears are a highly specialised species living primarily by catching seals from the sea ice. Chivian, E. (2001). Type: Arctic Sea Ice are used by polar bears to transport themselves over the water to prey on seals. Subject: Climate Change. Another aspect that needs to be discussed is the way the polar bears eat their prey. Retrieved April 2, 2008, from, http://school.discoveryeducation.com/lessonplans/pdf/biomes_wildarctic/biomes_wildarc, Briggs, H. (2003). With the abrupt breaking of ice that would end feeding period earlier and the delayed freezing, polar bears will lose their weight abnormally due to the longer time they need to fast. Not Built for Walking By continuing we’ll assume you’re on board with our cookie policy. Using satellite telemetry to define spatial population structure in polar bears in. According to an article written by Eric Chivian (2001) entitled Environment and health:  Species loss and ecosystem disruption — the implications for human health,  global climate change, stratospheric ozone depletion, and the negative results of other man-made activities threaten biodiversity, but it is the degradation, reduction and fragmentation of habitats that is the greatest threat. There are suggestions that before mid-century we could have a nearly ice-free Arctic in the summer. At Paperap.com you will find a wide variety of top-notch essay and term paper samples on any possible topics absolutely for free. According to the report, the country had good environmental policies in place and the government was strict in implementing it until the agreement forced it into an economic crisis. We use cookies to give you the best experience possible. and Comparative Biology 2004 44(2),163-176. Boosta Ltd - 10 Kyriakou Matsi, Liliana building, office 203, 1082, Nicosia, Cyprus. Warming Trends in the Arctic from Clear Sky Satellite Observations. Polar Bear ‘Extinct Within 100 Years.’ BBC News, Science/Nature. Lessening the number of sea ice would also decrease its opportunities to catch the prey. Polar Bears rely upon sea ice for survival. Climate warming is causing unidirectional changes to annual patterns of sea ice distribution, structure, and freeze‐up. Polar bears are one of the many species that are being affected by the polar CE caps melting. One of the basic things that will be affected by global warming would be the cycle of break-up and freezing of the annual ice in the arctic. Dr. Andrew Derocher takes a blood sample from a tranquilized polar bear, part of a research project to understand pollution levels in the bears. and Aviles, R.P. However, with global warming affecting the multiyear ice, these bears may have to be on the floating ice longer than necessary which means more energy wasted. Polar Bears and Climate 1675 Words | 7 Pages. If you contact us after hours, we'll get back to you in 24 hours or less. In 2008, polar bears became the first vertebrate threatened by US endangered species law. (Stirling, et.al. We will write a custom essay specifically for you for only $16.05 $11/page Learn more. Spending more money on machines that produce cleaner air may be more expensive but worthwhile in terms of survival. Polar Bears Warming Up to Climate Change Essay The way the earth’s climate has been changing is a very hot topic among scientists today. This drastic decline in the polar bear is occurring in our lifetime, which is but a miniscule fraction of the time polar bears have explored the vast Arctic seas (National Wildlife Federation, 2014). There were observations in 1979 that warmer temperatures and rain resulted to the easy uncovering of seal pup lairs that made it thrice easier for polar bears to catch them. There are some subspecies that do may not be particular with their den locations because they are able to den on drifting multiyear ice. Retrieved April 2, 2008, from http://epw.senate.gov/public/, index.cfm?FuseAction=Minority.Facts&ContentRecord_id=cb2faa9c-802a-23ad-4bcc-, Polar Bears Warming Up to Climate Change. Global climate change presents some serious problems and dangerous changes for all living organisms, but it is of especially great concern to the polar bear. These polar bears are currently able to raise the cubs well. 164 (3). No problem! 365-, Comiso, J. The survival of polar bears may not be a big issue as of the moment because it can actually be true that they can survive even worse temperatures. The interior minister mentioned the polar bear as a threat to protect the endangered species protection law, so the future of polar bear is still in danger. (239). ), Polar bears: Proceedings of the 13th Working Meeting of the IUCN Polar Bear. How about make it original at only $13.9/page? One animal whose home is rapidly disappearing is the Polar Bear. 2(1). This global climate change has made it difficult for the animals in these regions to survive. If we change out life styles to that of Russia’s then we would have a low carbon footprint and still keep the polar bears. This change in temperature is melting their white icy prairies that the polar bears desperately need to survive. This change in temperature is melting their white icy prairies that the polar bears desperately need to survive. America Free Trade Agreement on Mexican Environmental Policy (1994-2004). Most of us have heard about global warming and what it is doing to our world, including our oceans. Some believe it to be caused by the earth’s natural geothermal development and part of the normal change that the planet should be undergoing. In order to understand the effects climate change has on the polar bear, it is important to understand climate change itself. To date, global warming has been most pronounced in the Arctic, and this trend is projected to continue. POLAR BEAR FROM CLIMATE CHANGE. Russia receives 75% of their electricity … There have been warmer periods in the past, but they were not only cooler than what we will experience if we don’t reduce greenhouse gas emissions, they were part of natural cycles of warming and cooling. So far, human and polar bear interactions have been relatively few because of the difference of habitat these species share. Seals rely on sea ice for their maternity activities, lessening the quantity of sea ice drifting due to global warming will also lessen the population of seals. CLIMATE CHANGE has had such a dramatic impact on polar bear populations that our children could be the last generation to see polar bears on U.S. shores. This is because the most important or fundamental characteristic of a polar bear is that they are very much pagophilic, meaning that they prefer living in water where they reproduce. This resource is a lesson plan for a lesson providing a case study on the consequences of global warming for polar bears. The U.S. Senate has already debunked the idea that polar bears are going towards extinction because of reports that the polar bear population is at its highest peak as of the current years and that research already shows that the species can was able to withstand the interglacial  period which was much warmer . The bears that live in the Norwegian archipelago of Scabbard, the Effort Sea, and Hudson Bay in Northeast Canada have been studied the longest. When climate change occurs; temperatures can increase a dramatically. Students looking for free, top-notch essay and term paper samples on various topics. Integrative. IUCN, Gland, Switzerland and Cambridge, U.K. Mauritzen, M., Derocher, A.E., Wiig, O., Belikov, S.E., Boltunov, A.N., Hansen, E., et.al. According to the treaty, these nations would also exchange technologies that could help reverse the problems of global warming. Journal of Applied Ecology 39 (1) , 79–90. If you need this or any other sample, we can send it to you via email. Essay on Global Warming: Humans Are Destroying the Planet 1327 Words | 6 Pages. Although humans have taken it upon themselves to care for their environment, sharing responsibility is not always easy. In order to protect the polar bears, humans need to make a valor effort to reduce the amount of pollution and greenhouse gases that we produce. Although some climate change occurs naturally, this is not what is killing off the polar bears. Climate change and the atmospheric warming have caused the Arctic ice to melt, resulting in loss of habitats for polar bears. Everyone knows that global warming is a serious environmental health problem with its effects reflecting on nature and all of mankind on Earth since the mid-twentieth century – emission of concentrated greenhouse gases, rise of sea levels, melting of polar ice caps, and increase in global surface air temperature. If these female pregnant polar bears fall beyond 189 kilograms of weight due to the long fasting period, chances of delivering the cub become nil. Type: Many countries including the United States and United Kingdom have signed and agreed to the terms of the bargain wherein the member governments will bring down their carbon dioxide emissions to levels safer for humans and other creatures alike. This prediction can even be considered “conservative,” because the sea ice is melting faster than previously anticipated, according to the USGS polar bear project leader Steve Masters (Campbell, Para. For polar bear populations that prefer to go back to their maternity dens, another problem that could threaten their natural activity would be that while the planet warms, the flora and fauna in the area would also be drier making these prone to fire. One animal whose home is rapidly disappearing is the Polar Bear. It is only through the sincere will of strong and economically stable governments that a cool change can really be met. Polar bears rely on sea ice to be able to catch seals. As the polar bear’s habitat diminishes, so does the polar bear’s population. 9) Adult females normally weigh 330 to 550 pounds but males can be as heavy as 775 to 1500 pounds. Essays by Topic. (Polar Bears International, 2008, par. Retrieved April 2, 2008, from, http://www.polarbearsinternational.org/bear-facts/about-the-polar-bear/, U.S. Senate Environment and Public Works Committee. Click to learn more https://goo.gl/CYf83b. Introduction. Polar bears feed on ringed seals that live at the ice edge, getting two thirds of the energy they need for the entire year in late spring and early summer. 9) Adult females normally weigh 330 to 550 pounds but males can be as heavy as 775 to 1500 pounds. Home > Essays > POLAR BEAR FROM CLIMATE CHANGE. Very few polar bears have been observed to have enough ability to catch its prey in open waters. There is a growing consensus that climate change presents grave threat to the future of humanity and the global environment (Aldy and Stavins, 2007). Your Answer is very helpful for Us Thank you a lot! A decrease in the number of sea ice drifting also lessens the opportunities to hunt for more prey. With global warming altering the food sources and the way polar bears spend their energy, there will likely be less left-over food for the younger generations of cubs to eat which can decrease the population size. April 3, 2017. Environmentalists further urge the general public to act towards helping preserve earth because man’s activities are not only lessening human survival but of his co-planetary habitants as well. Climate change affects polar bears in many negative ways, including decreased access to food, lower survival rates for cubs, damages to polar bear dens and a decrease in overall polar bear population. There are already laws in place to ban hunting except for scientific purposes and changes in marine transportation routes to lessen the pollution that can endanger the species. Due to climate change, polar bears are on the verge of extinction. A study made by Mette Mauritzen (2002) and her colleagues used satellite telemetry to obtain data from 105 female polar bears over a dozen of years and the results showed that the different subpopulations in the different locations are all part of one continuous polar bear population. American Journal of Environmental Sciences Vol. Retrieved from https://paperap.com/paper-on-polar-bears-and-global-warming/, Is Your Deadline Too Short? 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