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Case-in-Point: Hurricane Katrina

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Case-In-Point: Hurricane Katrina
Environmental Issues and Ethics
February 18, 2011

Case-In-Point: Hurricane Katrina I remember hurricane Katrina like it just happened yesterday. I watched awe struck half horrified and half amazed by the power of this storm and the extent of the flooding that occurred. I watched as people were plucked from their roof tops as their houses were completely engulfed by the flooding. I watched as The United States was unprepared for this magnitude of flooding and unaware this was going to happen. My first thought as I was watching this unfold was how this could have happened and what caused this amount of flooding. Unintended Consequences According to According to Raven, Berg, and Hassenzahl (2010), there are a number of unintended consequences from humankind’s involvement in the development of New Orleans. In the development of the city of New Orleans, engineers constructed a system of canals and levees. In doing so, they have disrupted the delta building process and build-up of coastal wetland (Raven, Berg & Hassenzahl, 2010). The wetlands would have helped absorb some of water and provide a natural protection against flooding. In addition, the effects of global warming from changes to the carbon cycle and rise in CO2 levels have caused melting of the polar ice causing a rise in sea level, desalination of the oceans changing the currents, and an increase in ocean temperatures causing increase frequency and power of hurricanes. One other reason for the devastating flooding in New Orleans, according to Raven, Berg and Hassenzahl (2010), “New Orleans is built on unconsolidated sediment with no bedrock underneath. With the extraction of the area’s rich supply of underground natural resources the land compacts, lowering the city” (p. 111). Because of human interference, sea levels are rising and New Orleans is subsiding leading to increased risk and amount of flooding (Raven, Berg and Hassenzahl, 2010), How Are Scientific Activities Effecting the Situation The effects of human interference with the geography and geology of New Orleans has impaired the natural balance of nature and is exacerbating the flooding (Raven, Berg, & Hassenzahl, 2010). However, there is more research being done in this area and more people are becoming aware of the dangers of global warming, high CO2 levels, subsidence, and rising sea levels. Unfortunately, it appears people are ignoring the dangers and willing to accept the risk for today’s comforts. Application of the Scientific Method Engineers should have applied the scientific methods before they built the levees and canals to evaluate the effects on the environment. They still can look at how to improve the wet lands and develop a way to prevent the disruption of the delta building process. This would preserve the wetlands to continue to help protect against flooding. The scientific method has been applied to research in global warming. Models and predations have been developed to help slow down and reverse global warming, however, many governments and people chose to ignore the science due to the disruption in the global economy and peoples jobs. There is also a big lobbying effort on part of the oil companies to keep things as status quo. Alternative Solutions There are alternative solutions to help improving CO2 emissions, global warming, decrease ocean temperatures, and decrease the frequent and force of hurricanes. According to LEDlights.org (2012), there are simple steps we all can do to help: reduce the amount of fossil fuels, use renewable energy, buy energy efficient cars and appliances, and decrease the amount of waste. Additional education needs to be done to help educate the human population about the problems with unconstrained and unregulated consumerism without thought of how this is effecting the environment. Summary In summary, humans have created unintended consequences to our environment by using more energy, changing our geography, and producing more waste than any other previous time in history. The unintended consequences to New Orleans during hurricane Katrina were devastating to the economy and to the people who lived there. As we move forward, engineers and energy producers have to develop more ecological friendly ways to build canals, levees, and produce energy that has less impact on our environment.

References LEDlights.org. (2012). Top 10 things you can do to reduce global warming. Retrieved from http://www.ledlights.org/Global-Warming/Top-10-Things-You-Can-Do-to-Reduce-Global-Warming.html Raven, P., Berg, L., & Hassenzahl, D. (2010). Environment. (7th ed.). Hoboken, NJ: John Wiley and Sons, Inc

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