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Homework answers / question archive / The work is to be 5 pages with three to five sources, with in-text citations and a reference page

The work is to be 5 pages with three to five sources, with in-text citations and a reference page

Writing

The work is to be 5 pages with three to five sources, with in-text citations and a reference page. Global warming is defined as the consistent increase in temperatures of the earth’s surface, land, water, and the air near the surface (Haldar, 2011). It is also defined as the amplification of temperatures of the earth due to industrial pollution, agricultural practices, natural gas emissions, and the burning of fossil fuels. It occurs when greenhouse gases are released in large quantities leading to solar radiation reaching the earth’s surface (Haldar, 2011). The short wave radiations increase the earth’s temperatures and in turn, the atmospheric changes occur. This continuous increase in temperature is a significant threat to human existence and survival. Over the last two decades, the effects of global warming have become adverse and have led to the issue being discussed in global and international forums (Haldar, 2011). Greenhouse gases have continued to build up in the atmosphere over time, and thus the heat-trapping ability of the earth has increased.

Natural Causes of global warming

The causes of global warming can be classified into two broad categories. natural and manmade causes. Natural causes of global warming are those that are created naturally. All over the world, wetlands emit methane gas and frosty tundra. These gases are released naturally by the wetlands. These gases are greenhouse gases and have the ability to trap heat in the earth’s atmosphere. The earth undergoes a cycle of atmospheric gas changes. Scientists argue that the atmospheric cycle takes at least 40000 years to complete a full cycle (Maslin, 2007). During this cycle, the percentage of gases change and this leads to global warming. The increase in the percentage of greenhouse gases leads to an increment in the amount of heat trapped in the earth and hence global warming occurs.

Deforestation is one of the prime causes of global warming and can either be a natural or a man-made cause. Some forest fires occur naturally and wipe out many forests. The clearance of trees leads to the accumulation of carbon dioxide in the atmosphere that in turn causes global warming. Ocean water contains a lot of carbon dioxide due to the ecosystem supported in the water (Haldar, 2011). Although it is not a primary cause, the high percentage of CO2 leads to global warming.

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