Global Climate Change and Human Activity Essay - 1152 Words

The question that is in the minds of many people around the globe is the debate between natural causes, and human activities being the main cause to the negative changes in the global climate. Natural causes like volcanic eruptions, the changes in the sun’s radiation, and the ocean current shifts noticed are contributing to the global climate change. In addition, the human activities such as the burning fossil fuels, and the cutting down of trees [forests] so as to create land to cultivate and rare cattle affect the climate change. The human activities that are done affect the global climate that the natural causes which has led to global warming in the atmosphere (Oxlade, 2003). The human activities that are undertaken such as burning of†¦show more content†¦In addition, each of the past thirty years has been even warmer than any preceding thirty years since records began in the year 1850. When we look at the 20th century, in the middle years of the Century, then quantity and concentrations of the greenhouse gases have increased drastically in the atmosphere, the atmosphere and the ocean have warmed up, and the amounts of snow and ice have melted away and level of the sea has risen. The earth is warming up, melting away all the ice and snow it can get. Hence, the effect global warming as noted (Silverstein, 2009). The latest scientific research available has the suggestions that, if there is a little or no action is taken at all so as to reduce the levels of the greenhouse gases released to the atmosphere, by the end of this 21st century, global warming is likely to continue to warm from 3 °C to 10 °C. This is a 7 °C increase compared to the temperature during the time when industries were not there. This is viewed by scientists as the threshold beyond the future. Thus, if not contained, there will be a much higher risk and maybe catastrophic changes in the global climate will occur. This will result in significant destruction. There will be a significant drop in the capacity of the earth to sustain mankind as the environment is deteriorating and will not support plants and animals. For this reason, the international community has recognised the need to keep warming below 3 °C (Karling, 2004). The UnitedShow MoreRelatedHuman Activity Is Responsible For Global Climate Change900 Words   |  4 PagesHuman Activity is Primarily Responsible for Global Climate change Global Warming is a long term increase in earth’s average surface temperature. Because global warming does not cause uniform warming in all locations and because many other changes in climate are occurring, scientists often prefer to speak of ‘’Global Climate Change’’ rather than of global warming when referring to the whole complex of climate changes caused by Human activities. 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