Tragedy of the Commons

3. Describe the Tragedy of the Commons; using the world?s oceans as an example, discuss how they have been subject to the tragedy.4. What is the triple bottom line? With what important concept is it associated? Be sure to describe each of the three parts. .5. Using one of the cycles of matter covered in class (nutrient, nitrogen, or carbon), describe how matter cycles and why these cycles are important.6. List the 3 stages of human cultural evolution and describe the general environmental impact that has occurred in each.7. Define each of these three key population descriptors: total fertility rate (TFR), Replacement-level Fertility and Zero Population growth (ZPG). Explain how each is used to address humanpopulation growth.!