Betty McPhatter
SCI 207 Dependence of Man on the Environment
Instructor: Valencia Coty
November 19, 2012
Outline
Is global warming due to human actions? Can the human race take action to stop global warming?
Introduction Thesis Statement:
Yes, human actions are definitely a factor in global warming. The fact that there have been natural cycles of climate change since earth's formation, in past and recent centuries humans have influenced global climate change through the emission of greenhouse gases. The actions that humans should take to stop global warming are to reduce the greenhouse gas emissions in order to limit human effect on the climate cycle.
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Topic Sentence:
Most scientists and their studies also agree that human actions, especially the burning of oil and fossil fuels, are contributing to global warming. However there is much debate over to what extent human actions are causing global warming. Some scientists and politicians believe that a warming trend is occurring, however, they are convinced that it is still mostly a natural trend. In contrast many scientific studies on climate change show that human actions are definitely a factor in global warming and may be significant whether minor or not, as the human factor even if small could be enough to cause irreversible changes in earth's climate and natural climate change cycle.
Supporting Evidence:
Global climate change and the current global warming trend affect all living things on our planet, including animals, plants, and humans. “Some of the possible consequences of global warming are heat waves, water shortages, rising sea levels, loss of beaches and marshes. Many scientific studies have shown that greenhouse gases contribute to global warming. Greenhouse gases are necessary for keeping the planet habitable, however too much can cause the planet to become too warm for human inhabitation” (Wasiak, 2007).
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