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That global warming has happened in the recent past is evident from the rise in the mean temperature of the earth’s atmosphere. Many ecosystems will be unable to adapt suitably to such rapid changes in climate and this will lead to extinction of some animal species. In addition to the impact on ecosystems, human agriculture, health and water resources are all being affected by global warming sparking wide spread apprehension across the globe.
Scientists agree that human activities have led to release of green house gases that in turn are responsible for global warming during the last century. This has been especially marked during the last 50 years. As humans began to use petroleum and burn coal and oil to heat their cities and run their machines, levels of carbon dioxide have risen by almost 30%. The concentration of nitrous oxide and methane that are by products of farming, coming from rice fields and cattle have also risen by 10 – 15 %. In 2002 about 40% of U.S. carbon dioxide emissions were a result of the burning of fossil fuels for the purpose of electricity generation. Coal accounted for 93 percent of the emissions from the electric utility industry. Statistics show that of the total energy consumption in the US every year, almost 85 % comes from gas and petroleum products and coal. (American Gas Association) About 33% of U.S carbon dioxide emissions come from the burning of gasoline in engines of cars and light trucks. Hence the second biggest sources of these green house gases are road vehicles and industries. Emissions from airplanes and buildings add their own percentages of Carbon Dioxide to the atmosphere and aid global warming. It has been found that water vapor in the atmosphere - a powerful greenhouse gas, has been increasing, due to warming caused by carbon dioxide, methane and other green house gases. Deforestation is yet another major cause of
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(“GLobal Warming Research Paper Example | Topics and Well Written Essays - 1000 words”, n.d.)
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(GLobal Warming Research Paper Example | Topics and Well Written Essays - 1000 Words)
“GLobal Warming Research Paper Example | Topics and Well Written Essays - 1000 Words”, n.d. https://studentshare.org/miscellaneous/1560660-global-warming.
While these developments have made life on earth so easy for humans, they entail several disadvantages especially in the context of their negative impacts on the environment. One among such problems, which remains a major worldwide concern, is the issue of global warming.
The fluctuations in the global temperatures occur naturally. However, has been it is realized that the average global temperatures are increasing at a higher rate. Simpson (2008) notes that for 10 years since 1990, the hottest years to be recorded occurred.
The effects on the environment lay a great impact on the living of the people and human activities have greatly altered the environment of the earth. Global warming is one of the most important environmental problems that mankind is facing. According to Sir David King, the chief scientific adviser of UK Government, “Climate change is a far greater threat to the world than international terrorism.” (BBC, 2004).
This event is known as global warming, the gradual increase in the overall temperature of the earth’s atmosphere. Global warming is one of the greatest threats that our world is currently facing, putting at risk not only the state of our planet, but our lives as well.
Global warming has become a buzzword in recent environmental discussions. Scientific groups and scientists have been engaged in research and have issued statements concerning global climate change. A widespread opposition to cut down the amount of emission of greenhouse gases has remained oblivious within the field of science.
The concern is attributable to its negative impact on the environment. Fern (2003) defines global warming as the increase in the average temperatures of the earth and oceans. According to Goldstein (2009), the world has experienced a significant increase in average temperatures over the past few decades especially in the 21st century.
This research will carry out an exploration on the effects of global warming on oceans and provide an assessment of the various factors that could be the reasons of it (Haugen, Musser, & Lovelace, 2010). Oceans are part of the environmental features affected by global warming, which hit the world, as a result of greenhouse gases emission into the environment.
l warming has effects on the environment which include effects on climate and weather, rise in ocean levels, melting of ice, flooding and forest fires. This paper discusses global warming, its causes and consequences.
Global warming is the rise in temperature on the earth
Throughout a long period of time, the temperature of the Earth has been fluctuating repeatedly. However, due to the climatic changes the planet conventionally received sunlight as a result of delicate shifts in
Scientists have cautioned that the earth will become inhabitable if swift measures are not taken to curb the threats of global warming. The temperature of the earth is on the rise and life on earth is evidently at risk. Scientists have attributed global warming to both natural and human causes.
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