GLG 110 Take-home exam 1

Fall Semester 2008

 

Instructions: Read all the questions. Answer only 5 questions. Each answer is worth 20 points.

Your answers must be word-processed (12 point font, double-spaced, Times New Roman) and turned in by 10-01-08 during class period. No exceptions!

You can submit your answers via e-mail before that date. Send your answers to: harry.birkmann@pvmail.maricopa.edu as an attachment. Make sure you save the attachment as a “.doc” file (not .docx)!

 

1. We state in the text that the evolution of ethics in an important environmental trend. Can this statement be rigorously defended? Present an argument that it is good for the environment to have an expanded view of ethics.

 

2. Steward Udall writes about the “myth of superabundance” and “the raid on resources”. What do you think we have learned in the US today from our history of how we have treated the environment? Do we still think like the young Thomas Jefferson or have fundamental changes occurred in the relationship between people and the environment?

 

3. Assume that there is an environmental crisis today, what possible solutions are available to alleviate the crisis? How will solutions in developing countries differ from those in highly industrialized societies? Will religion or political systems have a bearing on potential solutions? If so, how?

 

4. It has been argues that we must control human population because otherwise we won’t be able to feed everyone. Assuming that we could feed 10 billion to 15 billion people, would we still want to have a smaller population than that? Why?

 

5. We state that sustainability is the environmental objective. Construct an argument to support this statement. Is the idea of sustainability and building a sustainable economy different in developing and poor countries from those that are affluent with a high standard of living? How and why?

 

6. Why is it important in land- and water-use planning to strive for a balance between economic considerations and less tangible variables such as aesthetics? In answering, consider what you have learned about both environmental ethics and sustainability.

 

7. Assume that the super-continent Pangaea never broke up. Now deduce how earth processes, landforms, and environments might be different from how they are today with the continents spread all over the globe.

 

8. The carbon cycle is an important biochemical cycle. If the burning of fossil fuels were to emit twice as much carbon dioxide into the atmosphere as it does now, what would be the effect on earth processes?

 

9. You are working as part of a resource-management team for a newly created park in the Mojave Desert of California. The main road through an area of particular public concern has been troubled by migrating sand dunes that, under natural conditions, would eventually cover the road. What steps could you take to keep the road open while protecting the environment?

 

 10. How and why could processes such as clear-cut logging and use of off-road vehicles lead to loss of soil fertility?

 

11. One of your friends who is an environmentalist really likes to ride mountain bikes in steep terrain. She particularly likes racing downhill on ski slopes during the summer months. What are some conflicts she may have in reconciling her sport with potential damage to the environment?

 

12. Our discussion of desertification in North America mentioned several major symptoms. Consider whether any of these symptoms are present in the region where you live. Is your region undergoing desertification at some level?

 

13. Make a list of all the natural processes that are hazardous to people and property in the region where you live. What adjustments have you and the community in general made to lessen the impacts of these hazards? Which alternatives are environmentally preferable?