1. Do Now 8.31.09 Open your notebook to the warm up section and write today’s date. Open your notebook to the warm up section and write today’s date. In your opinion, what are the 3 MAJOR environmental problems today? In your opinion, what are the 3 MAJOR environmental problems today? Defend your answer Defend your answer

2. Today’s Objectives Distinguish between renewable and nonrenewable resources Distinguish between renewable and nonrenewable resources Classify environmental problems into three major categories Classify environmental problems into three major categories

3. Main Environmental Problems 1. Resource depletion 1.Renewable 2.Nonrenewable 2. Pollution 1.Air 2.Water 3.Soil 4.Biodegradable pollution 5.Nondegradable pollutants 3. Loss of biodiversity

4. Section Review Explain how hunter-gatherers affected the environment in which they lived Explain how hunter-gatherers affected the environment in which they lived Describe the major environmental effects of the agricultural revolution and the Industrial Revolution Describe the major environmental effects of the agricultural revolution and the Industrial Revolution How did the Industrial Revolution affect human population growth? How did the Industrial Revolution affect human population growth? Fossil Fuels are said to be nonrenewable resources, yet they are produced by the Earth over millions of years. By what time frame are they considered nonrenewable? Fossil Fuels are said to be nonrenewable resources, yet they are produced by the Earth over millions of years. By what time frame are they considered nonrenewable?

5. The Environment and Society Describe the “Tragedy of the Commons” Describe the “Tragedy of the Commons” Explain the law of supply and demand Explain the law of supply and demand List three differences between developing and developed countries List three differences between developing and developed countries Explain what sustainability is, and describe why it is a goal of environmental science Explain what sustainability is, and describe why it is a goal of environmental science

6. Tragedy of the Commons How does a society use common resources? How does a society use common resources? 1968 Garrett Hardin 1968 Garrett Hardin Short-term interests of individuals and long-term welfare of society Short-term interests of individuals and long-term welfare of society The Commons The Commons Who will be responsible? Who will be responsible?

7. Commons vs. Natural Resources How does the story of the Tragedy of the Commons relate to our Natural Resources? How does the story of the Tragedy of the Commons relate to our Natural Resources? How does it impact people in the short- term? How does it impact people in the short- term? Long terms? Long terms?

8. Economics and The Environment Supply and Demand: oil prices and production Supply and Demand: oil prices and production What are our options? What are our options? Cost and Benefits Cost and Benefits Risk Assessment: perceived risk Risk Assessment: perceived risk

9. Developed vs. Undeveloped Unequal distribution of wealth and resources Unequal distribution of wealth and resources Developed Developed 1. Higher incomes, 2. slower population growth, 3. diverse industrial economics, 4. stronger social support systems US, Canada, Japan, Western Europe US, Canada, Japan, Western Europe

10. Undeveloped 1. Lower average income 2. Simple and agriculture-based economy 3. Rapid population growth Haiti, many African countries Haiti, many African countries Middle income countries: Mexico, Brazil, Malaysia Middle income countries: Mexico, Brazil, Malaysia