Human Activity And Climate Change Essay

Human Activity And Climate Change Essay

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Destinee Lockhart
Human Activity and Climate Change
Grantham University











Human Activity and Climate Change
Natural atmospheric greenhouse gases, which predominantly consist of water vapor, and minor parts of carbon dioxide, nitrous oxide and methane, are vital in balancing Earth’s surface temperature to a life-sustaining average. Indubitable, global warming and cooling has occurred naturally; however, data indicate that the sun’s energy distribution has virtually been constant within the past century. Furthermore, evidence specifies that the balance in greenhouse gases has been compromised by a rapidly expanding human population and their activities, such as the burning of fossil fuels over the past fifty years. The effects of humanity’s blissfulness can lead to extreme climate changes in the near future, which does not exclusively threatens our livelihood; however, the existence of all Earth’s inhabitants.
Although, Earth experienced an array of climate changes in the distant past, these fluctuations were primarily caused by the change in Earth’s orbit rather than in an upsurge or diminution in solar energy. NASA states that, “climate changes are attributed to very small variations in Earth’s orbit that change the amount of solar energy our planet receives” (NASA). However, with the advancement in technology, scientists are atmospheric carbon dioxide increased vividly; thereby, surpassing the 300 parts per million baseline. NASA states that, “based on the comparison of atmospheric samples contained in ice cores and more recent direct measurements, provides evidence that atmospheric CO2 has increased since the Industrial Revolution” (NASA). The website further explicates that fluctuations in greenhouse gas...


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...e change through their agricultural practices as well as livestock. Undeniably, human activities that foster the burning of fossil fuel have caused a rise in CO2, N2O and CH4 emissions, among others, which significantly influences Earth’s climate. Data collected from ice cores indicate that since the industrial revolution and especially within the past 10 years, greenhouse gasses have risen by one third. Therefore, leading to the dismissal of the allegation that solar irradiance is to blame for the climate change; more so since the sun’s energy output has slightly declined. Moreover, powerful solar and volcanic activities should have inaugurated a decline in climate temperature, which further enhances the presented evidence that human activity, especially the burning of fossil fuels, is a major contributor to the current climate change we are experiencing.










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