In the recent past, there has been major concerns and worries raised by the media, politicians, and the general public on the issue of global climate changes. The issues have been further fuelled by the fact that they are attributable to human activities that adversely influence global warming. Most recent scientific studies have revealed that most man-made activities have led to global warming. This research further reveals that man-made causes have negatively affected the earth leading to climatic shifts which in turn lead to wildlife and plants to be affected. Global warming presents a real scare to human health and the welfare of the industrialized and developing countries. These threats increase social tensions among nations and as well leading to war. The causes of global warming can either be natural or man-made. This easy attempts to discuss some of the past and present man-made activities that have led to global warming. It also offers some of the measures that can be taken to help reduce these effects.
Man-Made Causes of Global Warming
According to Live science (2016, para. 1) global warming is the constant increase of temperatures both in oceans and the atmosphere. The current rise in temperatures has been observed over the last 100 years and future predictions using scientific studies. Man- made activities that lead to global warming are also referred to anthropogenic causes. These are activities that are said to increase the emission of greenhouse gases into the atmosphere. Harmful gases from these activities are trapped in the atmosphere and absorb infrared radiation that is usually emitted from Earth leading to an increase in atmospheric and oceanic temperatures (Mesagan, 2015, pp. 61-62).
According to Paterson (2011, pp. 41-42) burning of fossil fuels is the most fundamental cause of global warming as it releases carbon dioxide gas into the atmosphere. This gas is known to have a high absorption of infrared energy and once it becomes imbued, it prevents it from returning to the air. Peterson further observes that production of electric power is one of the causes of this emissions as it involve the burning of fossil fuels to power the generators. The coal used to produce the fuels is a major producer of carbon dioxide. Adding to these assertion, Mesagan (2015, pp. 61-65) states that the use of gasoline to power cars, tracks and all automobiles used in transportation is another cause of high emission of these gas into the atmosphere. These automobiles contribute a bigger percentage of atmospheric pollution through the emission of carbon dioxide.
Another human activity that is linked to global warming is deforestation. Deforestation can be defined as the cutting down of trees without replacing them (Andersen et al, 2016, pp. 1-2). Deforestation of the tropical forests has been considered a serious problem to the environment as it has been proven scientifically that trees absorb carbon from the atmosphere. Trees play an important role in the conservation of biodiversity and limiting the emission of carbon dioxide into the air (Culas, 2014, pp. 7-10). Deforestation leads to a reduction in trees that would absorb free atmospheric carbon hence carbon dioxide build up in the atmosphere rises. Clearing the forests for the intention of using the land for agriculture and settlement space leads an increase in emission of carbon dioxide into the air. This is due to the fact that decaying plants give off a lot of carbon dioxide (Lal, 2010, pp. 708-710)
The use of chemical fertilizers for farming is another cause of global warming. Lal, (2010, 708-710) notes that each time farmers use fertilizers on their farms, nitrogen oxide is added to the atmospheric space. Lal also note that the use of chemicals to spray plants and livestock have the same effect as they lead to the emission of nitrogen oxide. He further asserts that nitrogen oxide is more harmful compared to carbon dioxide when it comes to absorption as it absorbs 300 times much.
Controlling Anthropogenic Causes
Man- made activities of global warming can be controlled using a number of ways. Lal, (2010, pp.713-714) suggests a number of ways that can be used to prevent emission from deforestation and farming activities. First, he states that reforestation is a good counter measure for deforestation noting that planting of trees will ensure that they use the excess carbon dioxide through photosynthesis. He observes that this will ensure a balance in biodiversity. Finally, he notes that burying of crop residues and tree remains into pits and under the ocean is another way of controlling emission from the decaying remain of trees and crop remains.
Ralston (2009, pp. 823-825) suggests three ways that can be adopted to help prevent global warming. First, he suggests the use of solar shields. Solar shields are satellites that are armored with reflective and moveable plates that can be launched into the orbit and help in reduction of solar radiation. Secondly, he proposes that carbon dioxide can be captured and buried deep in the earth through the process of carbon sequestration. Finally, he encourages ocean fertilization which is the deposition of iron filling into the ocean. This will result in the growth of planktons which in turn will absorb carbon acting as a virtual sink for carbon.
Metz (2010, pp. 41-48) observes that using zero emission automobiles can help in preventing emissions that largely contribute to global warming. Zero emissions from automobiles can be achieved by using battery electric automobiles and hydrogen fuel cell electric automobiles for carrying passengers. This alternative source of energy will see significant reduction in carbon emissions from automobiles. The author further proposes that owners of automobiles should adhere to proper maintenance of their vehicles. Some of the automobiles emit gases primarily due their faulty systems which can be controlled through proper maintenance.
This essay paper sought to identify some of the man-made causes of global warming with a view of suggesting ways that can be adopted to curb it. The paper provides a detailed discussion of global warming. From this discussion, we draw the conclusion that global warming has and continues to impact negatively on all living organisms both on biological communities and ecosystems in the whole world. If these trends continue then there is a high likelihood that these climatic conditions will adversely affect the distribution of chemicals. This might lead to toxicological effects resulting from exposure to these harmful chemicals and toxic matters. Most research has primarily focused on how the climate is changing with much attention being on trying to predict future trends in global warming. It would be prudent if a lot of energy were shifted to enlighten the public on how to practice green living as a way of curbing man related global warming effects.
List of References
Andersen, L, Doyle, A, Del Granado, S, Ledezma, J, Medinaceli, A, Valdivia, M, & Weinhold, D 2016, ‘Net Carbon Emissions from Deforestation in Bolivia during 1990-2000 and 2000-2010: Results from a Carbon Bookkeeping Model’, Plos ONE, 11, 3, pp. 1-18.
Mesagan, E, P. 2015. ‘Economic Growth and Carbon Emission in Nigeria’, IUP Journal Of Applied Economics, 14, 4, pp. 61-75.
Culas, R, J .2014. ‘Causes of Deforestation and Policies for Reduced Emissions (REDD+): A Cross-Country Analysis’, IUP Journal Of Applied Economics, 13, 4, pp. 7-27.
Paterson, N, R. 2011. ‘Global Warming: A Critique of the Anthropogenic Model and its Consequences’, Geoscience Canada, 38, 1, pp. 41-48.
Lal, R. 2010. ‘Managing Soils and Ecosystems for Mitigating Anthropogenic Carbon Emissions and Advancing Global Food Security’, Bioscience, 60, 9, pp. 708-721.
Live Science. 2016. Global warming. Viewed 25 March 2016, < http://www.livescience.com/topics/global-warming/ >.
Metz, B. 2010. Controlling climate change. Cambridge University Press.
Ralston, S, J. 2009. ‘Engineering an Artful and Ethical Solution to the Problem of Global Warming’, Review Of Policy Research, 26, 6, pp. 821-837.