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Chapter 14. Resource Issues. What is a Resource?. Animals live in harmony with the environment, humans do not. How come?. Two major misuses of resources: Depleting scarce resources Destroy resources through pollution. Why are Resources Being Depleted?. WHY ARE RESOURCES BEING DEPLETED

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Chapter 14

Resource

Issues


What is a Resource?

Animals live in harmony with the environment, humans do not. How come?

  • Two major misuses of resources:

  • Depleting scarce resources

  • Destroy resources through pollution


Why are resources being depleted
Why are Resources Being Depleted?

  • WHY ARE RESOURCES BEING DEPLETED

    • Energy resources

      • MDCs vs. LDCs

      • Animate power vs. Inanimate power

      • Biomass fuel

      • Fossil Fuel

        • Fossil fuels are fininte

        • Fossil fuels are distributed unevenly


Why are resources being depleted1
Why are Resources Being Depleted?

  • Finiteness of Fossil Fuels

    • Renewable vs. Nonrenewable energy

  • Remaining Supply of Fossil Fuel

    • Proven reserves

    • Potential reserve

  • Expanding Production

    • Coal mining

    • Oil shale


Why are resources being depleted2
Why are Resources Being Depleted?

  • Uneven Distribution of Fossil Fuels

    • Location of Reserves

      • Where’s the coal?

      • Where’s the oil?

    • Consumption of Fossil Fuels

      • LDCs vs. MDCs


Why are resources being depleted3
Why are Resources Being Depleted?

  • Control of World Petroleum

    • OPEC

      • Politics and OPEC

    • Changing Supply and Demand

      • Making Cars

      • Dwindling reserves


Why are resources being depleted4
Why are Resources Being Depleted?

  • Nonrenewable Substitutes for Petroleum

    • Natural Gas

    • Coal


Why are resources being depleted5
Why are Resources Being Depleted?

  • Nonrenewable Substitutes for Petroleum

    • Nuclear Energy

      • Potential accidents from Nuclear

        • Fission

      • Radio active waste from Nuclear

      • Bomb Material from Nuclear

      • Limited Uranium Reserves

      • High Cost of Nuclear Power


Why are resources being depleted6
Why are Resources Being Depleted?

  • MINERAL RESOURCES

    • 92 natural elements on Earth

    • Only 8 are on the Earth’s crust

    • Metallic or Nonmetallic Minerals


Why are resources being depleted7
Why are Resources Being Depleted?

  • Nonmetallic minerals

    • Phosphorus

    • Potassium

    • Calcium

    • Sulfur


Why are resources being depleted8
Why are Resources Being Depleted?

  • Metallic Minerals

    • Ferrous Metals

      • Iron

      • Manganese

      • Chromium

      • Titanium

      • Magnesium

      • Molybdenum


Why are resources being depleted9
Why are Resources Being Depleted?

  • Alloying elements

    • Nickel

    • Tin

    • Tungsten


Why are resources being depleted10
Why are Resources Being Depleted?

  • Nonferrous Metals

    • Aluminum

    • Copper

    • Lead

    • Zinc

      • Precious metals

        • Silver

        • Gold

        • Platinum


Why are resources being polluted
Why are Resources Being Polluted?

  • AIR POLLUTION

    • Pollution

      • Global-scale Air Pollution

        • Global Warming

          • Greenhouse Effect

        • Global-Scale Ozone Damage

          • Ozone

          • Chlorofluorocarbons

          • Freon


Why are resources being polluted1
Why are Resources Being Polluted?

  • Regional-scale Air Pollution

    • Acid deposition

    • Acid precipitation (AKA acid rain)

      • Doesn’t fall where it is produced

    • Life expectancy


Why are resources being polluted2
Why are Resources Being Polluted?

  • Local-scale Air Pollution

    • Carbon Monoxide

    • Hydrocarbons

      • Photochemical smog

    • Particulates


Why are resources being polluted3
Why are Resources Being Polluted?

  • WATER POLLUTION

    • Water Pollution Sources

      • Let it be someone else’s problem

      • Water-using industries

      • Municipal sewage

      • Agriculture


Why are resources being polluted4
Why are Resources Being Polluted?

  • Impact on Aquatic Life

    • Biochemical Oxygen Demand

    • Water Temp

  • Wastewater and Disease

    • Less wastewater in LDCs and MDCs


Why are resources being polluted5
Why are Resources Being Polluted?

  • LAND POLLUTION

    • Solid Waste Disposal

      • Sanitary Landfill

      • Incineration

        • Burning trash

        • Centralia, Pennsylvania

    • Hazardous Waste

      • Love Canal, New York


Why are resources reusable
Why are Resources Reusable?

  • RENEWING RESOURCES

    • Leading Renewable Energy Sources

      • Biomass

      • Hydroelectric Power

      • Wind Power

      • Geothermal Energy

      • Nuclear Fusion


Why are resources reusable1
Why are Resources Reusable?

  • Solar Energy

    • Passive Solar Energy

      • The sun’s energy is free and limitless

      • Capture the sun’s energy without special devices

      • Glass technologies

    • Active Solar Energy

      • Photovoltaic cells

      • Heat to electricity


Why are resources reusable2
Why are Resources Reusable?

  • Uses for Renewable Energy

    • Electricity

      • LDCs have more need of Photovoltaic cells

    • Motor Vehicles

      • More MDCs are using electric vehicles

      • How come people are slow to change to electric cars?


Why are resources reusable3
Why are Resources Reusable?

  • RECYCLING RESOURCES

    • Recycling has increased each decade since the 1970s

    • Recycling Collection

      • Pick-up and Processing

        • Curbside, drop-off, buy-back, deposit

      • Manufacturing

        • Paper, plastic, glass, aluminum


Why are resources reusable4
Why are Resources Reusable?

  • Other Pollution by Reduction Strategies

    • Reducing discharges

      • Take out the pollutants

    • Increasing Environmental Capacity

      • Where and when the discharge of pollutants occurs matters

    • A Coking Plant: Using all Reduction Strategies

    • Comparing Pollution Reduction Strategies


Why can resources be conserved
Why can Resources be Conserved?

  • SUSTAINABLE DEVELOPMENT

    • Conservation

    • Preservation

    • Sustainability and Economic Growth

      • 1987 Brundtland Report

      • China: 16 of 20 most polluted cities

    • Sustainability's Critics

      • WWF (World Wildlife Fund)

      • Reduce the gap between MDCs and LDCs


Why can resources be conserved1
Why can Resources be Conserved?

  • BIODIVERSITY

    • Biological and Geographic Biodiversity

      • Genetic diversity

      • Human’s have not discovered all the Earth’s species

      • Land convervation

    • Biodiversity in the Tropics

      • Destruction of the Rain Forest

        • For money in a LDC


The

End


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