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Global Warming Affects Polar Bears

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Global Warming Affects Polar Bears
Global Warming, Polar Bears 1

Global Warming Affects Polar Bears
Bingyang Li
GLS 470
Professor Silvia
December 4, 2011

Global Warming, Polar Bears 2
Global Warming Affects Polar Bears
Recently, economic activities are more active in some developing countries, such as China, India and Brazil. Moreover China is the second largest economy country only behind the United States. Most of this developing country did not concern about the environment issue, as a result more emission came out to the earth. For example, China has more than 200 million automobiles and as a speed of growth is about 13 million per year, meanwhile the United States has about 255 millions automobiles and the growth speed is more than 10 million per year. So, we can see how large pressure forced on the earth. It is clear that the globalization causes the climate change. Global Warming continues presenting on the earth and bringing many catastrophes to the earth. The polar bears most scientists think they are the first species in the world influenced by the climate change. Since the earth becoming warmer and warmer, the sea ice shrunk violently. As a result, the polar bear was threatened by those changes. More important thing is that if the situation still exists, polar bears will extinct in the future. This paper is focusing on the effect of the Global Warming on the polar bears’ habitat, behaviors and population.
Effect on Habitat
The first effect of the Global Warming on the polar bears is their habitat. Habitat is the place providing animals with food, sleeping area and every essential material to live. In the Arctic, the polar bears’ habitat becomes worse recently due to the shortage of sea ice and food.
The first change in habitat is increasing the temperature of the Arctic. With the
Global Warming, Polar Bears 3 temperature increasing, the sea ice over here melts quickly. Finally, this should transfer to the polar bears and lead they die out. David barber, an



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