Global Warming Kills Polar Bears

Abstract

Global warming has an effect on polar bears's lives. First, pollution from gases, oil and coal affects negtively on bears' lives. second, the high temperature in the Arctic puts bears' lives in danger; third burning of waste and pollution released by factories must be reduced. Finally, polar bears' lives are still in danger. Therefore we should put all the necessary efforts into portecting them.

Is the world boiling? Global warming, or what some scientists call climate change or climate disaster, can be defined simply as the high temperature in the earth, which some think may cause an environmental and humanitarian disasters Climate change and high temperature are not that controversial because they are already happening; temperatures are measured every day and compared with other records in the past, higher temperature is a facts The problem is not in the high temperatures, but the reason for this rise; people interested in the environment say that the impact of pollution caused by humans from the various materials consumption is the main reason for the higher temperatures. Despite this laws have been designed to protect polar bears, who are suffering from this problem, especially restrictions that prevented polar bear hunting. But the future of these animals is still unsafe. The threat of global warming is equal to the threat of terrorism. In other words, global warming does not differentiate between people or animals; therefore, we should all work to fight this disaster. Shaoni Bhattacharya

Human activities have increased since the industrial revolution and cause different problems such as greenhouse gases which is threaten many lives on the plant earth. In “global warming threatens millions of species” by Shaoni Bhattacharya. The author states; “ global warming may drive a quarter of land animals and plants to the edge of extinction by 2050, a major international study had warned”(2004, para. 1). The area of the Arctic is shrinking because of the ice melting as a result of the global warming. According to Revink (2007), the floating ice is shrinking in the Arctic more than in other year. Therefore the lives’ of polar bears are in danger. In “Experts Predict Polar Bear Decline” the author said, "40 members of the polar bear specialist group of the world conservation union concluded that the imposing white carnivores--the world’s largest bear should now be classified as a 'vulnerable' species based on a likely 30 percent decline in their worldwide population over the next 35 to 50 years. There are now 20,000 to 25,000 polar bears across the Arctic” (2005, para. 2). Moreover the numbers of polar bears are decreased as a direct impact of global warming.

First of all, as humans we have daily requirements, such as energy, including electricity, natural gas, and gasoline, as well as operation of machines by burning fuels such as oil or coal. Those gases release other gases to the air which cause problems such as the greenhouse heat, ozone hole and air pollution, which makes the lives of some organisms in danger. One of those lives is that of the polar bear. In “Global warming could starve polar bears” the author said, “climate change is threatening polar bears with starvation by shortening their hunting season, according to a study by scientists from the Canadian Wildlife Service” (1999, para. 1). On the other hand, scientists are currently working on different kinds of alternative energy which are much safer for human use and which keep the environment as free from pollution as possible, such as bioenergy; also, these use of water as an alternative energy that cars and other forms of transportation can use instead of chemicals that could make the situation much worse.

Next, we must preserve the environment and wildlife. Moreover, the environment suffers, as well as organisms such as animals and frost which can not defend themselves against what humans do. The high temperature in the Arctic as a result of pollution caused by modern technology put the polar bears’ lives in danger(ice melting). J. Carlton said, “scientists for the first time have documented multiple deaths of polar bears off Alaska, where they likely drowned after swimming long distances in the ocean amid the melting of the Arctic ice shelf…, the bears spend most of their time hunting and raising their young on ice floes” (2005, para. 1). As a result, some organizations seek to find some natural reserve to protect the polar bears from extinction. But, the problem is if the all thte efforts that the organization make to protect these species dose not receive a full support from governments and individuals to Assist in stoping this threat, the results of these efforts will be nothing.

Finally, it is the duty of the developed countries to reduce the pollution by establishing strict laws. The burning of waste and pollution released by factories must be under control. J. Carlton said, “while the government researchers won’t speculate on why climate change is taking place in the Arctic, environmentalists unconnected to the survey say U.S. emphasizing oil and gas development are exacerbating global warming which is accelerating the melting of the ice. “ ‘For anyone who has wondered how global warming and reduced sea ice will affect polar bears, the answer is simple - they die, said Richard Steiner, a marine-biology professor at the university of Alaska” (2005, para. 5). Moreover. Usually LDCs try to do as what MDCs have done. They will not care about the environment or the speices as much as they care about the income. Thereefre the developed countries should change their regulations to avoid the imitation from other countries.
Many scientists as well as some politicians deny that human activities may cause global warming and attribule the global warming to the natural activities such as volcanoes and forest fires. In "what global warming debate?” the author said “Scientists have conducted a number of ‘attribution studies’ that compare observed changes in the global climate with those factors that are known to influence climate. These studies indicate that the climate change observed over the 20th century is due to a combination of changes in solar radiation, volcanic activity, land-use change, and increases in atmospheric greenhouse gases. Of these, greenhouse gases appear to be the dominant driver of climate change over the past few decades“ (2005, para. 2). I think that the writer did not hit the nail on the head. In other words, we can not deny that the human activities are one of the main causes of environmental pollution In “global warming human fingerprints” the author said, “In its 2001 report, the Intergovernmental Panel on Climate Change stated, "There is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities.Carbon dioxide from fossil fuel burning and land clearing has been accumulating in the atmosphere, where it acts like a blanket keeping Earth warm and heating up the surface, ocean, and atmosphere. As a result, current levels of carbon dioxide in the atmosphere are higher than at any time during the last 650,000 years”(n.d., para. 2). Moreover, the fast increasing in temperatures is one kind of the evidence that did not previously exist in the past. Thus, we can conclude that there are some activities that help to raise the temperatures including the human activities.
In conclusion, in the midst of this battle about whether global warming kills polar bears and what the main reason for global warming are, the numbers of Polar Bears are decreasing seriously. It is important to find alternative energy and it is the duty of governments to preserve the environment and species and seek to find effective and quick solutions to stop the disaster. Regardless of who is the main cause of the global warming effects. global warming dos not diffentdt are between its threats to the accused and the innocent. As global citizens we should work together to stop any danger that may threaten our lives or the environment around us. Yet, we should not wait until the last moment just In searching for the cause rather than finding real solutions wither we know the real cause or not.



Reference
Carlton, J.(2005,December 14). Is global warming killing the polar bears? The Wall Street Journal. Retrieved Nov 1, 2007 from http://www.online.com

Global warming could starve polar bears. (1999, Noverber 15) . BBC News. Retrieved Nov 1,2007 from http://www.bbc.com

What global warming debate? (2005, May 1) Mother Jones Retrieved Nov 10, 2007 from http://www.motherjones.com

(n.d) global warming 101human fingerprints. Union of concerned scientists. Retrieved Nov 10,2007 from http://www.ucsusa.org