Andrew Bryant Academic affiliation: Oklahoma State University ©Read the copyright notice at the bottom of this page before reproducing this essay/webpage on paper, or electronically, or in any other form. |
A large floating ice shelf in one of the warmest regions of Antarctica collapsed in mid-March. The 650-foot-thick shelf, named Larsen B, had a surface area of 1,250 square miles (about the size of Rhode Island) before it disintegrated into thousands of smaller icebergs and fragments, the British Antarctic Survey (BAS) said. (The Melting Continent)One could argue that the melting of the ice poles are not caused by the actions of humans. However, the article goes on to say that although it is too early to establish global warming as a cause, it is becoming more and more difficult to find another reason for the melting (The Melting Continent). Among other things, this paper will focus on three things: educational facts pertaining to global warming; possible solutions for global warming; and the argument over whether or not warming is the fault of humans.
Just as there are many problems posed by global warming, there are many solutions as well. United States vehicles are largely responsible for the carbon dioxide emissions that cause warming. Because of this, various American environmental organizations have been working on a solution to the vehicle problem. This is the greatest single step America has taken on the attempt to resolve global warming. Cars and light trucks guzzle 40% of U.S. oil and emit 20% of the nation's carbon dioxide (CO2) pollution. Each gallon of gasoline burned pumps 28 pounds of CO2 in the atmosphere-19 from the tailpipe and nine pounds from upstream refining, transporting and refueling. The average car emits about 70 tons of CO2 over its lifetime-the average SUV around 100 tons. (CAFÉ 1)With a new gasoline-electric hybrid engine the average car will begin to average 45 mpg. (CAFÉ 1). This nearly doubles the fuel efficiency of cars as well as cuts down on carbon dioxide emissions. There are more things that can be done other than buying a new car. For example, on an individual basis people can do a variety of things to help out: travel more infrequently and smartly; make homes more energy efficient; and cut back on red meats (Jennings 1). Communities can do their part by promoting walking, biking, and public transportation (Jennings 2). There are several ways business can help, such as installing environmentally friendly lights and insulation and moving to solar power (Jennings 2). Suggestions like these help to personalize environmental responsibilities, allowing people to take part on an individual, as well as a communal level. People may feel as if they cannot contribute in a meaningful way. This gives them a set of directives that can be examined and followed in order to prevent further warming.
The cost of the entire process is equivalent to about twenty cents per gallon of gasoline. A typical extraction facility that could extract all current carbon dioxide emissions would require an area of 1 square yard per person in the developed world. (Imagine 2)Although the pace may be slow, progress is being made for a solution to the global warming crisis. Scientific breakthroughs like those above are tremendously helpful, but should not be seen as messianic to the global community. All humans are still bound by responsibility to take part in the mending of the planet. Until conclusive evidence is found in any study, whether it be carbon dioxide emissions or a related idea, people must protect the environment on an individual and on a collective level. There are some scientists that claim that the problem is irreversible and cannot be fixed. In a pessimistic, yet scientific study, David and Alistair Ulph claim that the warming problem has gone on to far to be corrected:
However, we then go on to derive, for the particular structure of decision making problem represented by our simple model of global warming, an alternative sufficient condition for the irreversibility effect to hold. Our sufficient condition has a simple interpretation. Note that irreversibility means that a decision variable at a future date (the future stock of greenhouse gasses) is constrained by the choice of a decision variable at the current date. (Ulph 637)Calling the problem "irreversible" brings a certain amount of hopelessness to the global situation. If this study were true, it would mean that the fate of the human race has already been sealed. A slow damnation would already be sentenced to the whole of the world. Although there are many contrary studies, the Ulph article holds significant value and merit.
Some of these are largely ecological changes, and all have important ecological consequences. Three well-documented global changes are: increasing concentrations of carbon dioxide in the atmosphere; alterations in the biogeochemistry of the global nitrogen cycle; and ongoing land use/land cover change. (Vitousek 1861)This article can be related to "The Melting Continent" in the way that they do not offer proof that humans are the cause of global warming. Instead, they imply that few other reasons, other than human intervention, can be found as the source of warming. The other side of the argument takes the stance that global warming is not the fault, nor the responsibility, of the human race. A less extremist view argues that at the very least, it is impossible to know if people are responsible for global warming. A group of scientists at MIT used the following metaphor to support their argument:
Suppose you step onto your bathroom scale some morning and look down to find the number is one pound higher than you expected. You then call out, "Honey, I'm gaining weight. I've been eating to much." What does it take to reach such a conclusion with any degree of confidence? (Forest 1)Such an example makes one think about the burden of proof that has been placed upon the scientific community. There are four factors one must take into account for the weight gain: proper measuring device; knowledge of weight variability; understanding of anatomical mechanisms; and a record of change (Forest 2). The argument is that these same factors apply to the global warming crisis. The proof of burden that global warming exists has been satisfied. However, these scientists claim that the environmental community has been jumping to conclusions. This is a logical argument, even if most environmentalist communities disagree with it. Nevertheless, it is hard to believe that humans are not at least somewhat responsible for the existence of the global warming crisis. This being, the scales of logic must tip over to the human responsibility side of the argument. The above case helps to balance the scale somewhat, but it cannot change what is assumed in good faith to be true.
Forest, Chris E., Peter H. Stone, and Henry D. Jacoby. "Human Influence on Climate."
Forum for Applied Research and Public Policy 16.4 (2002): 47-51.
"Imagine no restrictions on fossil-fuel usage and no global warming!" Journal of
Environmental Health 65.4 (2002): 32-33.
Jennings, Lane. "Climate Change: What we can do." The Futurist 36.1 (2002).
"State Impacts - Oklahoma." Online Posting. 8 Oct. 2002. EPA: Global Warming:
Impacts. 18 Feb. 2003 http://yosemite.epa.gov/oar/globalwarming.nsf/content/
ImpactsStateImpactsOK.html
"The Melting Continent." Environment 44.4 (2002).
Ulph, Alistair, and David Ulph. "Global Warming, Irreversibility and Learning." The
Economic Journal 107.442 (1997): 636-50.
Vitousek, Peter. "Beyond Global Warming: Ecology and Global Change." Ecology 75.7
(Oct.1994): 1861-76.
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