How Does Global Warming Affect Polar Bears

Pipelines and oil-drilling platforms will harm caribou, polar bears, and millions of migrating birds (Come on in.: 38). Whenever some country drills for oil it is more likely than not for that country to have an oil spill. Oil spills are deadly to animals, hard to clean up, and it takes the land thousands of years to recover. The United States has already had one major oil spill off the coast of Alaska in Prince William Sound. If another large oil spill occurred on the water it would have a substantial effect on whales and other marine wildlife (Experts say Alaska Oil Drilling Hurts Wildlife: 43). There are over 130 bird species that find breeding, nesting, or resting places on the coastal plain (Defenders of Wildlife).

There are about 100 different species of animals there, all of which are affected by climate change, but polar bears the worst. Polar bears are the most sensitive to the rapid change in climate because most of their life is spent on sea ice. With the temperatures rising in the Beringia Upland Tundra, the sea ice they thrive on is melting at a very high rate (Powell). Without this ice, the polar bears will not be able to easily move around to mate with other polar bears. They will also not be able to successful hunts on seals because the seals will see them swimming and swim away before anything bad can happen to them. If there was not a shortage of ice, the seals would not see the polar bears on the ice and they would swim closer to the surface. Another challenge the polar bears will face is that they will be eventually forced to go on to the seashore. This would be catastrophic because there would be and increase of competition for food. This could start massive stampedes that could kill polar bear cubs due to adult polar bears trampling them. As of now, there are only 26,000 wild polar bears alive. By 2050, it is predicted that two thirds of all wild polar bears will be gone. By 2100, it is predicted that polar bears will become extinct if nothing is done about global warming and climate change (Kliskey). Another animal in the Beringia Upland Tundra that is affected by climate change in

First, with the polar bears main habitat vanishing and becoming contaminated they may not exist for much longer. “Even without an oil spill, some level of pollution and habitat fragmentation from oil and gas activities is inevitable with expanded development.” What if your house was taken away from you, torn down, and you became unable to find a suitable home? It would be hard to continue your normal life, right? Thats what its like for polar bears. Second, when polar bears lose their habitat they have to find a new home that will sustain them. This place needs to have a good supply of food that will keep them healthy. “..it has already been shown to be extremely harmful, particularly to denning polar bears.” The polar bears are looking for the same things in a home that you look for when you move. Third, when you put an oil rig somewhere that place has a higher risk of being contaminated by an oil spill. “An oil spill in this region would not only directly harm polar bears, but would also contaminate their habitat.” Oil spills don’t just harm polar bears they harm other animals too. Imagine you have tons of black, oily and sticky stuff in all over you and you can’t get it off. Wouldn't you be

The global warming change the route and centralize enormous of pollutants accessing the Arctic ice area. The pollutants will pollute the air of Arctic and will harmful to the polar bear’s body. The Derocher, Lunn, and Stirling (2004) indicate that some studies show the pollutants will negative impact on the endocrine and immune system of polar bears and also decrease the reproductive success of polar bears(170). However, if the immune system becomes lower than before, polar bears will easily get disease. Another pollution ways is that the seal breath the awful air and then polar bears feed on the seal.

Less winter sea ice means that female polar bears have to go longer without food, which impacts their fat stores, and, their reproductive success. To summarize, without the sea ice, animals (polar bears in this case) cannot hunt, travel, give birth and have the ability to give birth. The lack of ice reflects this. We know that the lack of ice reflects this because since the ice melting took an increase in the 1980s, the polar bear population has decreased 22% since this time in Canada’s Western Hudson Bay, a popular spot to see polar bears. In overall, the retreating ice has continuously been causing animals like the polar bears to face the consequences.

Clarissa Barron M. Wintersole ENGL1302 MO2 28 Oct. 2015 Famous People of the Greco Roman World The Greco Roman culture refers to both the Greeks and the Romans. There are many fascinating things that are included in the Greco Roman World. From delicious food to a new and different way of creating art, the Greco Roman World as a whole is a very captivating object to research upon and learn about.

These petroleum operations could also cause more oil spills that could harm the polar bears drastically. Spilled oil can also harm and even ruin their

Many people wonder what actually happens to the animals when the oil spill happens. This

Polar bears require sea ice to survive, as it is their hunting grounds and habitat. When the ice melts, polar bears are forced to move closer to the pole. Unfortunately, polar bears use northern

Rising temperatures and melting polar ice has led to a rapid decline in the populations of polar bears in the last 100 years. The ice is melting faster and taking longer to refreeze making it hard for polar bears to hunt for food and to den and increase their population. Polar bears are often seen as a flagship species, and are generally used as the “cover child” so to say, of global warming campaigns. Factors such as climate change and thinning of the ozone over the poles are having a major impact on their survival. However, in the past century, their populations overall have been declining, and they are in fact considered endangered. Between over hunting, loss of habitat, and loss of hunting and breeding grounds, the polar bear populations

There are so many consequences because of global warming and humans polluting. As a result of global warming, the polar bear habitat is getting demolished. The warmer temperatures are melting the ice in the Arctic and North Pole. Polar bears are travelling miles and miles to find ice. Polar bears live, eat, and raise their cubs on Arctic ice, which is breaking up and melting at an alarming rate. Year by year, this problem will get worse and worse. Humans and factories throw away their waste in the ocean and it goes in the water the fish and animals drink. Polar bears eat fish and they are affected by this polluted water as well. Hunters kill many animals including the polar bears and it’s decreasing their population. When polar bear population decreases, other animal populations will rise and the animal chain will change. We should not let global warming take over our species and destroy the animal chain. Polar bears are one of the many animals affected and if there are too many animals affected, the whole animal chain will fall apart. Research shows that, even if steps are taken to reduce emissions now, gases already in the atmosphere will continue to heat up the earth for another 40 to 50 years. Scientific statistics indicate they may suffer extinction by year 2100. We still have many years to make a

Then many of the bears rely on the fat that is stored in their skin until there is more ice so they can go hunt. Most polar bears won’t be accessible to their prey because of sea ice melting especially when they cannot swim for not long. Climate change is more considered as habitat fragmentation too. The platforms of sea ice are moving farther apart and there are fewer opportunities for polar bears to get food and there is increasing rate of scarce food. The space between ice and land is more hazardous, giving the polar bears a harder time to swim because of rough wave conditions.

Oil spills also destroy the polar bear habitat by getting into denning sites causing the female and her cubs to suffer. The oil

Climate change is said to be a natural occurrence in the earths cycle but it is happening faster than ever recorded in the past (Bankes et al 2009). Because of climate change in the Arctic, where the polar bear lives, the ice caps are shrinking and warming faster than most areas on the globe and future rates of sea ice cover are expected to decline (Stirling and Derocher 2012). Many areas especially polar seas are experiencing changes in ocean properties, sea ice cover, and ice sheets (Schofield and Ducklow 2010). For the past three decades, sea ice breakup has occurred about 5-8 days earlier along the coast of Ontario, where subpopulation of polar bears live (Stirling and Derocher 2012).

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