This paper elaborates on the argument of whether the human influence is valid or to counter this contention is more rational and acceptable. It shall touch on how greenhouse gases emitted from various human activities cause undesirable environmental phenomena…
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Because of the excessive amount of greenhouse gases, mainly carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and halocarbons (NOAA, “How do Human Activities Contribute to Climate Change…”), emitted in the atmosphere, which normally comes from belched smoke, cigarettes, factories, fossil fuels, etc., the ozone layer continues to deplete; carbon gases preclude the sun’s heat from being reflected outside the Earth’s surface, and many others. There are various scientific controversies that both, directly and indirectly, attempt to explain the real causes of various environmental phenomena such as global warming, melting of the polar ice caps, rising water levels, the increasing frequency of tsunamis, tornados, earthquakes, drought, and flood. Nevertheless, the most resounding of all would be the increasing temperature of the Earth and how these scientific consensuses affirm human influence on many environmental phenomena including, but not limited to, ice melting in the north pole, increasing water levels in low lying areas, unpredictable and erratic weather conditions, violent storms, tornadoes, typhoons, etc.; and, how come there are those who do not believe that climate change due to the increasing Earth’s temperature is caused by human activities. Is There A Truth Behind Human Influence On Climate Change? In the intensifying debates that strongly argue about global warming’s manmade nature, it is rather difficult to ensure that one gets the real story from all concerned groups. The United States National Research Council believes in the role that science plays in understanding the real nature of climate change. Further, it asserts that the results found by science regarding the causative factors of global warming could have an overlapping effect on other important challenges that the nation is facing, and of course, the world as well. The council adds that although there are doubts and reservations in comprehending the complex system of the Earth’s climate, “there is a strong, credible body of evidence, based on multiple lines of research, documenting that climate is changing and that these changes are in large part caused by human activities” (NRC, “Advancing the Science of Climate Change”). Susan Solomon et al. (1704) believes that the “atmospheric concentrations of key greenhouse gases increased due to human activities.” Human influence on the Earth’s climate system includes the rising concentrations of greenhouse gases (e.g. carbon dioxide, methane, nitrous oxide, and chlorofluorocarbons, etc.), air pollution, and the escalating dilution of air particles (American Institute of Physics, “Statements on the Human Impacts on Climate Change”).
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According to the paper, the effects of climate change are increasingly felt in many parts around the world. Human life and activities are affected by weather and climate, and changes in climate affect man and animals, food production, water sources and health. Short-term changes in climate can be classified as normal weather conditions.
Indeed, a significant question then rises: Is climate change really happening or is it just a fraudulent fabrication of industrialists? The debates in response to this question have been numerous over the past years, and even since the nineteenth century.
The climate system evolves in time under the influence of its own internal dynamics and due to changes in external factors that affect climate (called 'forcings'). External forcing includes natural phenomena such as volcanic eruptions and solar variations, as well as human-induced changes in atmospheric composition.
This paper is an attempt to prove the same and put forward some points related to the economic sacrifices, which the countries and their people will have to make some tough economic choices for the coming generations. Discussion One of the toughest choices that countries would have to make would be regarding their population.
Climate change can be due to: Natural variability – warming or cooling due to sun spot activity, solar radiation Human activity – burning of fossil gases into the atmosphere, causing enhanced greenhouse effect However, there is much debate about what causes climate change, and the UN Framework Convention on Climate Change refers to a change of climate that is attributed directly or indirectly to human activity that alters the global atmosphere.
Although it is a devastating dilemma, we are not left hopeless. Climate change urges rapid modifications on how we run our systems by altering our individual lifestyles, establishing legislation as the nation’s aid, and participation of other countries in this endeavor.
Some people argue that human activities are causing global warming whereas others are of the view that solar variations are causing global warming. In any case, it is a fact that global warming and climate change problems are causing huge problems to people, animals, agriculture and environment.
In fact, the changes in climate are posing a significant risk on the agriculture, food and water suppliers while the effort of alleviating poverty, diseases and food insecurity are put on stake, while lives of many citizens in under developed countries are being affected.
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