1. Human population, carrying capacity and resource use 3.8 Environmental demands of human populations

2. Objectives Ecological footprint Socio-economic influences on population growth

3. Ecological footprint Land area that will meet the needs of a population To determine footprint, land used to produce: – Food – Energy – Buildings – Ecological support

4. Factors affecting footprint Fossil fuel / renewables Energy demand Import / export resources Disposables / recyclables Meat / vegetable diet

5. Carbon footprint Easier to determine Food consumption / food production + Carbon emission / carbon fixation

6. Differences in footprint USA – 10 ha / person China – 1.2 ha / person – Spending power – Food – Energy – Import / export of resources – Population

7. Population policies Political actions to influence population growth – why? Pronatalist Anti-natalist

8. Demographic transition model Review – ?

9. Urbanization & demographic change Relate this to DTM From population sink to source Urban migration to urban births

10. Technology, resource & population Societies may be classified according to – Technological innovation – Population-resource ratio Societies go through development paths

11. Perspectives Ecological exploitation Economic prosperity Ecological awareness

12. Summary Ecological footprint Socio-economic influences on population growth