Environmental Issues, Their Causes, and Sustainability

1
Environmental Issues, Their Causes, and
Sustainability

• Growth and Sustainability

• Resources and Resource Use

• Pollution

• Causes of Environmental Problems

2
Living More Sustainably

• Environmental Science

• Sustainable Society

3
Population Growth

• Linear Growth

• ExponentialGrowth

• Doubling Time/Rule of 70

4
Economic Growth

• Gross National Product (GNP)

• Gross Domestic Product (GDP)

• Per Capita GNP

5
Economic Development

• Developed vs. Developing Countries

• Environmentally-Sustainable Economic Development

6
Environmentally-Sustainable Economic Development
Globalization An Integrated World
Fig. 1.8b, p. 10
7
Ecological Footprint
Fig. 1.10, p. 11
8
Resources

• Economic Resources

• Ecological Resources

• Perpetual

• Renewable

• Non-renewable

9
Examples of Resources
Resources
Perpetual
Nonrenewable
Metallic minerals
Non- metallic minerals
Fossil fuels
Winds, tides, flowing water
Direct solar energy
(iron, copper, aluminum)
(clay, sand, Phosphates)
Renewable
Fresh air
Fresh water
Fertile soil
Plants and animals (biodiversity)
Fig. 1.11, p. 11
10
Renewable Resources

• Sustainable Yield

• Environmental Degradation

Refer to Connections, p. 12
11
Non-Renewable Resources

• Energy Resources

• Metallics

• Non-Metallics

• Minerals

• Reuse

• Recycle

Fig. 1.12, p. 13
12
Pollution

• What is pollution?

• Effects of Pollution

Sources

• Point

• Nonpoint

13
Environmental and Resource Problems

• Major Problems
• -Air Pollution
• -Water Pollution
• -Food Supply
• -Waste Production
• -Biodiversity Depletion

• Five Root Causes

Fig. 1.14, p. 15
14
Comparing Environmental Impact
Fig. 1.15, p. 15
15
Environmental Interactions
Fig. 1.16, p. 16
16
Environmental Worldviews

• Def how we think the world works, our role in
  it, and ethics

• Planetary Management

vs

• Environmental Wisdom