Write out brief essays in answer to the following FOUR questions, worth 15 point

Question

Write out brief essays in answer to the following FOUR questions, worth 15 points each. Attention will be paid to factual content, as well as coherence and grammar. Use a separate page for each of your answers, even though they may well take up less than a page, and head your answer with the topic chosen, underlined, before you start your essay.  

1. Give three significant pros and three significant cons and your own conclusion for either: electricity from nuclear energy, or electricity from wind power.

2. Review the evidence for a strong anthropogenic component in ‘Climate Change’ and indicate three significant global effects expected from Climate Change by the end of this century. Comment on what measures could mitigate these effects.

3. Review some of the issues involved in one of the following environmental concerns: the Ozone Layer, or Air Pollution in Major Cities.

4. Discuss what is causing the pH of the oceans to change slightly and why this is a concern.

Explanation / Answer

Only the first question is answered:

When nuclear energy is concerned, it could be considered as convenient as an alternative. Given that the technology to exploit this particular kind of energy already exists, it is possible to do so in a relatively low cost. Also, this alternative is capable of generating large quantities of energy and power, not to mention that the amount of greenhouse gases released to the atmosphere would be considerably lowered.

On the other hand, even when technology already exists, to implement it would take a high cost at the beginning, which is not always a viable option. The place or places in which this technology would be established would become then a very dangerous spot, since dealing with nuclear energy involves major risks to the operators and other close locations. Lastly, the resources that are needed to exploit this kind of energy are not renewable. It would end up consuming all resources and considering again on other fuel dependent energy. This would not be such a problem if the investment was not as high as it is, for an energy source that will be completely consumed.

Even when the amount of energy that could be obtained from nuclear power plants, the risks are too high when it comes to personal safety, and even to the community or varied locations that could be around said infrastructure. Also, the investment on all equipment and infrastructure is very high, considering that it is not to bee an infinite source of energy. At least it is not an option to be considered by other than a world power with both the technology and the economy to sustain it.

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