SCI207: Dependence of Man on the Environment
Instructor: Alyssa Kunz
April 24, 2012
Global Warming 1
Global Warming 2 Is global warming skepticism just smoke and mirrors? There are several different views on the issues of global warming. Some people think global warming might be just a myth while others think that global warming is happening and humans are the cause of it. One side believes that humans cause global warming, yet the other side thinks that global warming is a complete fallacy.
I. Global warming is an environmental issue that is concerning a lot of people. Global warming has been an issue for many years. One area of this ...view middle of the document...
They were the hottest in the past 400 years, and possibly longer (National Geographic News, 2007).
I. There is an agreement that the Artic is becoming warmer and the glaciers are melting there as well as in other areas of the world where there used to be an abundance of them, even as recent as 100 years ago, now there are not many left to be found.
A. These I know will take greatly affect all organisms living in these regions and Global Warming 3 even further away as the water will rise on every continent. If they cannot adapt, they will become endangered and even extinct. If this is not the cause of humans and pollution, then not much can be done and nature has to take its own course.
B. According to a professor at San Diego University, another fact about global warming is that although the Carbon Dioxide (CO2 ) in the atmosphere was 190 ppm (parts per million) 21,000 years ago, by 1900 it was at 290 and at 2009 it was at 387 ppm; it has increased about 1.8 ppm each year over the past 20 years (Ponce, V. 2009).
C. The Intergovernmental Panel on Climate Change (IPCC), a group of hundreds of scientists and government representatives from 130 countries that claim to have seen six years of evidence and they have come to a consensus on what causes global warming.
II. They claim that maybe these examples such as industrialization, deforestation, and pollution have contributed to the heat that has not left the Earth’s atmosphere, thus causing global warming. Because there is a scientific consensus that means there is a 90 percent probability, that changes we are now seeing are caused by human activities.
A. Although most scientists say the evidence is indisputable, to skeptics a scientific consensus is not enough, there has to be proof. The skeptics argue that global warming is only a theory. Many skeptics believe that global warming skepticism is just smoke and mirrors.
B. The argument is that there is no evidence of humans being the culprits with global warming. It is only a theory, according to Thomas Kuhn, the author of "The Structure of Scientific Revolutions".
C. He states that a scientist makes certain assumptions and then comes up with a theory. The theory behind global warming is that because carbon dioxide is a greenhouse gas and humans are producing more and more of it, therefore humans are causing global warming (Ball, T. 2007).
III. Even though there is a scientific consensus, it is not enough for Exxon Mobil. They are claiming that global warming is a natural phenomenon and they are promoting the uncertainty of the cause of global warming.
A. By also promoting scientific spokespeople, such as scientist and astrophysicist, Sallie Baliunas, to speak about other causes of global warming, they claim that they are trying to help figure out the problem as well.
B. She claims that global warming may be caused by solar activity, saying that the Global Warming 5 sun is a major driver of recent warming...