Sample Term Paper
Global warming is no more just a phenomena proclaimed to be gradually destroying the planet by Greenpeace fanatics. It is now acknowledged worldwide as the planet’s plague and various international institutions are set up to monitor its growing impact. One such panel is the IPCC (Intro governmental Panel on Climate Change), sanctioned together by the WMO (World Meteorological Organization) and UNEP (United Nations Environmental Program) which is responsible for publishing reports of human impact on climate change. It was set up in 1988, and since then has published 4 assessment reports based on reliable scientific literature regarding climate change. The aims of this panel included examining the human impact on climate change and examine mitigating alternatives that may be available.
Its assessments have concluded that most of the rise in temperature since the 20th century has been a direct/indirect result of human actions such as the burning of fossil fuels and deforestation, which have caused a build-up of greenhouse gases near to the earth’s surface. This concentration of gases has caused the temperature to increase by 0.74 (± 0.18 °C) between 1906 and 2005 according to the IPCC. It has thus become necessary not to consider the perspective of global warming any less than a threat to the climate’s sanctity.
Global warming relates to the gradual and contravening increase in the temperature of the Earth’s near-the-surface air and the ocean since the mid-20th century onwards due to the aforementioned reasons. Even though the changes may look minor on paper, they translate into bigger perspectives such as melted glaciers in the Arctic, haphazard precipitation patterns, increments in the areas covered by subtropical deserts and the increased occurrences of extreme weather disasters. The rate of temperature has steadily risen during the latter half of the 20th century and in the lower troposphere, the rise was calculated to be between 0.12 and 0.22 °C per decade since 1979, attributed to data taken from satellite. There are other factors contributing to this increase other than human negligence, but their effects are very minute, such as the urban heat effect (accounts for 0.0002 °C of the increase) solar radiation and volcanism. Since 1979, ocean temperatures rose at 0.13 °C as compared to the land temperatures which rose at 0.25 °C, (almost twice the value) but this can be attributed to the ocean’s readily losing heat by evaporation and their large capacitive bodies.
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