GEF

Unit 1  |  Introduction to Sustainability 32 3. How is human population growth a sustainability issue? a. Higher population means more people are immigrating to the United States. b. Higher population means more resources and energy are used to supply human needs. c. Higher population means there are more available resources. d. Higher population means more land is available for farming and food production. 4. What has happened to the global demand for energy? a. Energy use has doubled since 1974. b. Energy use has decreased each year since 1974. c. Energy use has decreased due to global warming. d. Energy use has increased in cold climates. 5. Examples of biochemical cycles include all of the following except: a. Carbon b. Water c. Sand d. Nitrogen 6. The exchange of goods and services is a primary focus of which aspect from the three pillars of sustainability? a. Economy b. Environment c. Society d. Cultural diversity 7. Climate change is caused largely by which of the following? a. Fossil fuels usage b. Oil drilling c. Polar bears d. Unsustainable forestry