What Role Has Human Activity Played in Causing Climate Change?

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Climate change is one of the biggest concerns for all nations across the globe over centuries. Climate shift refers to changes in patterns of weather which can be indicated through global warming, natural disasters and rise in sea level. There is a group of people, climate change skeptics, argue that climate change is not the result of human activity, meaning that it is naturally occurred. According to Slaght, this refers to internal factors which are the interaction between the atmosphere and ocean, and external factor, such as solar energy variations and volcanic eruption (John Slaght, 2009). However, most scientist claims that human also involve in this process. Consequently, this essay aims to discuss the impacts of greenhouse gases on climate, and then the contribution of human to climate change and lastly, some statistics about the effects of global warming. Global warming is commonly caused by the excessive amount of greenhouse gases. Greenhouse gases are the gases which work the same way as greenhouse, absorbing the heat radiation from the Sun and emitting it back to the Earth’s surface. This process is called greenhouse effect. In addition, greenhouse gases include carbon dioxide, nitrous oxide, water vapor, methane and Chlorofluorocarbon or commonly called CFCs. According to Mr. Steffen, “The primary cause of the observed changes in the Earth’s climate are human activities—mainly the burning of fossil fuels” (Steffen, 2013). The process of burning fossil fuel unleashes a huge amount of greenhouse gases, especially carbon dioxide, to the atmosphere, disturbing the balance of greenhouse gases in the nature. As stated by Slaght, “The accumulation of greenhouse gases in the atmosphere due to human activities will change th... ... middle of paper ... ...e replaced with little or no regrowth vegetation. It takes years to regrowth the lost vegetation. To sum up, it is obvious that climate shift is actually happened. Human is considered to be the primary cause of the problem. Activities like burning fossil fuel and deforestation are upsetting the climate by interrupt the natural greenhouse gases balance. Global warming has a long term effects in our life. This is a serious concern that actions should be taken immediately before it is too late. Works Cited John Slaght, P. H. (2009). Common question about climate change. In P. H. John Slaght, Reading & Writing source book (pp. 34-41). Reading RG1 4QS: Garnet Publishing Ltd. Steffen, W. (2013, September 27). unpacking the ipcc fifth assessment report . Retrieved from Climate Council: www.¬climatecouncil.¬org.¬au/¬wp-¬content/¬uploads/¬2013/¬10/¬CC.¬report.¬1.¬2.-pdf

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