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102). In my view global warming is caused by the increased accumulation of greenhouse gases in the atmosphere mainly from human activity.
One of the factors that promote ozone depletion is accumulation of greenhouse gases in the atmosphere. A report by the National Climatic Data Center says that these gases include carbon IV oxide which is a byproduct of many human activities, Chlorofluorocarbons, and oxides of nitrogen. These gases react with the ozone layer which is made up of triatomic oxygen molecules thus depleting it. The depletion increases the magnitude of UV rays from the sun reaching the earth. This has been a key factor in global warming. The second factor attributing to it is the reflection back of sun rays once they hit the layer of accumulated gases. Majority of the UV rays are supposed to be reflected back out of the atmosphere. With the accumulation of the greenhouse gases the rays are reflected back eliciting the greenhouse effect and hence global warming. Human activity has been the leading factor in the issue of global warming. Since the industrial revolution, the levels of the greenhouse gases in the atmosphere have been rising as a result of the gases coming from the industries and the automobiles.
Good, P., Gosling, N. M., Bernie, D. et. al. (2009). An Updated Review of Developments in Climate Science Research since the IPCC Fourth Assessment Report. Review of Climate Science since the IPCC AR4. p.
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In the beginning, climate change seemed to have posed a danger to human health and agriculture. However, it presents a grim situation of affecting wide entities to human life. In this paper, the article looks at climate change as affecting the business community.
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reating for more than 100 years… 98 percent of the glaciers in Alaska that terminate at an elevation below 1,000 meters are retreating, thinning, or stagnating. Changes in the cryosphere (Earth’s frozen regions) may reduce water supply in mountainous areas and ultimately
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Nuclear Fission: Nuclear
In the ordinary circumstances, polar bear lives one ice where it hunts for animals such as fish and seals. However, melting of ice makes it difficult for the polar bear to exist in such environment. The bear is also forced
It also shows a rapid increase in atmospheric carbon dioxide of about 2 ppm per year because of anthropogenic emissions.
The Carbon Cycle relates to the exchange of carbon between the rock, and surface reservoirs. The rock
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