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Agenda 1/10. Warm-Up: What is a commons? Can you think of an example of a space you share with other people here on campus. Finish 1.1 Notes Complete Environmental Careers gallery walk Pretzel Activity Notes 1.2. Science & The Environment. Section 2: The Environment & Society

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Agenda 1/10

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Agenda 1/10

  • Warm-Up: What is a commons? Can you think of an example of a space you share with other people here on campus.

  • Finish 1.1 Notes

  • Complete Environmental Careers gallery walk

  • Pretzel Activity

  • Notes 1.2


Science & The Environment

Section 2: The Environment & Society

Standards: SEV4d, SEV4f, SEV5c, SEV5f


What is the “Tragedy of the Commons”?

  • Essay written by Garrett Hardin in 1968

  • Main idea: Problem with solving env. problems is the conflict btwn short term goals of an individual vs. the long term welfare of society.


What is the “Tragedy of the Commons”?

  • Imagine a “common” area of land for grazing sheep.

  • It is in the best interest of one INDIVIDUAL farmer to put as many sheep as he can on the common grazing land. That way he can make more money.

  • HOWEVER, when ALL farmers think this way, too many sheep graze in that area and the area becomes depleted from overgrazing, trampling, etc..


What is the “Tragedy of the Commons”?

  • Someone has to take responsibility for maintaining a resource or it can be overused & depleted.

  • We now have grazing regulations and hunting & fishing laws to prevent resource depletion.

  • What are some other “common” areas?


What does economics have to do with the environment?

  • Supply & Demand

    • If resource is limited and has greater demand then the higher its cost.


What does economics have to do with the environment?

  • Costs-Benefit Analysis

    • Weighing the cost of buying/producing a product vs. the benefit to the environment

    • EX: Is fracturing the Earth to get remnant oil more beneficial even though there is a cost to the environment and drinking water sources?


What does economics have to do with the environment?

  • Risk Assessment

    • Usually done along with cost-benefit analysis

    • Must determine risk to know if there is a benefit to an environmental action.

    • Risk assessment depends on who is doing it.

      • If done by an industry- may see less risk

      • If done by a citizen group- may see more risk


What is the difference between a developed & developing country?

  • Developed countries

    • higher average incomes

    • slower population growth

    • diverse industrial economies

    • stronger social support systems

    • EX: US, Western Europe, Japan

  • Responsible for the “consumption crisis”- use & waste too many natural resources

  • Use 75% of world’s natural resources BUT only makes up 20% of world’s population.

Top World Oil Consumers in 2009


What is the difference between a developed & developing country?

  • Developing countries

    • lower average incomes

    • simple & agricultural-based economies

    • rapid population growth

    • EX: Mexico, Indonesia, countries in Africa

  • Responsible for “population crisis”- Population grows too fast for current resource level- causes malnutrition, disease, fewer jobs


What about China?

  • China is most populated country- 1.3 billion people

  • China is on the verge of becoming developed thanks to outsourcing and globalization.

  • Population crisis + consumption crisis = INCREASED RESOURCE DEPLETION AND POLLUTION

  • India (population 1.2 billion ) not far behind!


What is an ecological footprint?

  • Shows the productive area of the earth needed to support one person in a particular country.

  • Here’s Mrs.

    Davis’ data…


What is a sustainable world?

  • Sustainability- condition in which human needs are met in such a way that a human population can survive indefinitely.

  • Requires participation of citizens, industries, & governments


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