Do Now 8.31.09Do Now 8.31.09• Open your notebook to the warm up Open your notebook to the warm up

section and write today’s date.section and write today’s date.

• In your opinion, what are the 3 In your opinion, what are the 3 MAJOR environmental problems MAJOR environmental problems today?today?

• Defend your answerDefend your answer

Today’s ObjectivesToday’s Objectives• Distinguish between renewable and Distinguish between renewable and

nonrenewable resourcesnonrenewable resources• Classify environmental problems into Classify environmental problems into

three major categoriesthree major categories

Main Environmental Main Environmental ProblemsProblems1.1. Resource depletionResource depletion

1.1. RenewableRenewable2.2. NonrenewableNonrenewable

2.2. PollutionPollution1.1. AirAir2.2. WaterWater3.3. SoilSoil4.4. Biodegradable pollutionBiodegradable pollution5.5. Nondegradable pollutantsNondegradable pollutants

3.3. Loss of biodiversityLoss of biodiversity

Section ReviewSection Review• Explain how hunter-gatherers affected the Explain how hunter-gatherers affected the

environment in which they livedenvironment in which they lived• Describe the major environmental effects Describe the major environmental effects

of the agricultural revolution and the of the agricultural revolution and the Industrial RevolutionIndustrial Revolution

• How did the Industrial Revolution affect How did the Industrial Revolution affect human population growth?human population growth?

• Fossil Fuels are said to be nonrenewable Fossil Fuels are said to be nonrenewable resources, yet they are produced by the resources, yet they are produced by the Earth over millions of years. By what time Earth over millions of years. By what time frame are they considered nonrenewable? frame are they considered nonrenewable?

The Environment and The Environment and SocietySociety• Describe the “Tragedy of the Commons”Describe the “Tragedy of the Commons”• Explain the law of supply and demandExplain the law of supply and demand• List three differences between List three differences between

developing and developed countriesdeveloping and developed countries• Explain what sustainability is, and Explain what sustainability is, and

describe why it is a goal of describe why it is a goal of environmental scienceenvironmental science

Tragedy of the CommonsTragedy of the Commons• How does a society use common How does a society use common

resources?resources?• 1968 Garrett Hardin1968 Garrett Hardin• Short-term interests of individuals Short-term interests of individuals

and long-term welfare of societyand long-term welfare of society• The CommonsThe Commons• Who will be responsible?Who will be responsible?

Commons vs. Natural Commons vs. Natural ResourcesResources• How does the story of the Tragedy of How does the story of the Tragedy of

the Commons relate to our Natural the Commons relate to our Natural Resources?Resources?

• How does it impact people in the How does it impact people in the short-term? short-term?

• Long terms?Long terms?

Economics and The Economics and The EnvironmentEnvironment• Supply and Demand: oil prices and Supply and Demand: oil prices and

productionproduction• What are our options?What are our options?

• Cost and BenefitsCost and Benefits• Risk Assessment: perceived riskRisk Assessment: perceived risk

Developed vs. UndevelopedDeveloped vs. Undeveloped• Unequal distribution of wealth and Unequal distribution of wealth and

resourcesresources• DevelopedDeveloped1.1. Higher incomes, Higher incomes, 2.2. slower population growth, slower population growth, 3.3. diverse industrial economics, diverse industrial economics, 4.4. stronger social support systemsstronger social support systems• US, Canada, Japan, Western EuropeUS, Canada, Japan, Western Europe

UndevelopedUndeveloped1.1. Lower average incomeLower average income2.2. Simple and agriculture-based economySimple and agriculture-based economy3.3. Rapid population growthRapid population growth• Haiti, many African countriesHaiti, many African countries

• Middle income countries: Mexico, Middle income countries: Mexico, Brazil, MalaysiaBrazil, Malaysia