What is a Resource? Animals live in harmony with the environment, humans do not. How come? Two major...

What is a Resource?

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

Two major misuses of resources:

1.Depleting scarce resources

2.Destroy resources through pollution

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


• Finiteness of Fossil Fuels

• Renewable vs. Nonrenewable energy

• Remaining Supply of Fossil Fuel

• Proven reserves

• Potential reserve

• Expanding Production

• Coal mining

• Oil shale


• Uneven Distribution of Fossil Fuels

• Location of Reserves

• Where’s the coal?

• Where’s the oil?

• Consumption of Fossil Fuels

• LDCs vs. MDCs


• Control of World Petroleum

• OPEC

• Politics and OPEC

• Changing Supply and Demand

• Making Cars

• Dwindling reserves


• Nonrenewable Substitutes for Petroleum

• Natural Gas

• Coal


• 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


• MINERAL RESOURCES

• 92 natural elements on Earth

• Only 8 are on the Earth’s crust

• Metallic or Nonmetallic Minerals


• Nonmetallic minerals

• Phosphorus

• Potassium

• Calcium

• Sulfur


• Metallic Minerals

• Ferrous Metals

• Iron

• Manganese

• Chromium

• Titanium

• Magnesium

• Molybdenum


• Alloying elements

• Nickel

• Tin

• Tungsten


• Nonferrous Metals

• Aluminum

• Copper

• Lead

• Zinc

• Precious metals

• Silver

• Gold

• Platinum

Why are Resources Being Polluted?

• AIR POLLUTION

• Pollution

• Global-scale Air Pollution

• Global Warming

• Greenhouse Effect

• Global-Scale Ozone Damage

• Ozone

• Chlorofluorocarbons

• Freon


• Regional-scale Air Pollution

• Acid deposition

• Acid precipitation (AKA acid rain)

• Doesn’t fall where it is produced

• Life expectancy


• Local-scale Air Pollution

• Carbon Monoxide

• Hydrocarbons

• Photochemical smog

• Particulates


• WATER POLLUTION

• Water Pollution Sources

• Let it be someone else’s problem

• Water-using industries

• Municipal sewage

• Agriculture


• Impact on Aquatic Life

• Biochemical Oxygen Demand

• Water Temp

• Wastewater and Disease

• Less wastewater in LDCs and MDCs


• LAND POLLUTION

• Solid Waste Disposal

• Sanitary Landfill

• Incineration

• Burning trash

• Centralia, Pennsylvania

• Hazardous Waste

• Love Canal, New York

Why are Resources Reusable?

• RENEWING RESOURCES

• Leading Renewable Energy Sources

• Biomass

• Hydroelectric Power

• Wind Power

• Geothermal Energy

• Nuclear Fusion


• 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


• 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?


• 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


• 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?

• 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 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

What is a Resource? Animals live in harmony with the environment, humans do not. How come? Two major...

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