1. Economics & the Environment

2. SUPPLY & DEMAND
The greater the demand for a limited supply the more it is worth.
Page 17 oil chart

4. COST & BENEFITS Cost benefits analysis
Balances the cost of the action against the benefit one expects from it.
Depends on who is doing the analysis

5. RISK ASSESSMENT Cost benefit analysis involves risk assessment.
Creates cost effective ways to protect our health & the environment

6. DEVELOPED COUNTRIES Higher average incomes Slower population growth
Diverse industrial economies
Stronger social support systems

7. DEVELOPING COUNTRIES Lower average income
Simple & agriculture based economies
Rapid population growth

8. POPULATION & CONSUMPTION
Two Root Causes
1) Human population in some areas is growing to quickly
2) People are using up,
Wasting, or
Polluting many natural resources faster than they can renew

9. LOCAL POPULATION PRESSURES
Population in an area grows rapidly
Not enough resources
Food, Jobs & education can't keep up
Struggle for survival
Deforestation
Animal extinction
Soil exhaustion
Starvation
Disease

10. Consumption Trends Developed nations use 75% of the earths resources
Even though they only make up 20% of the worlds population
This rate of consumption creates
More waste & pollution per person than in developing counties
Page 19 Table 3 & Figure 18

13. What is a sustainable world?
In a sustainable world human needs are met in such a way that a human population can survive indefinitely.