Zusammenfassung der Ressource
What happens when demand for water exceeds supply?
- Cost of water may increase where demand exceeds supply
- Decrease in crop yield - reduction in food and therefore food prices increase impacting poor people more
- May revert to using unclean water - increased illness and disease
- import water
- Could cause conflict and fighting over access to water
- Overabstraction - lakes and rivers dry out e.g. Aral Sea
- Case study - Aral Sea
- water diverted to grow cotton crop in USSR
- Loss of fishing industry as Sea dried up
- Water in sea became toxic due to increased salt conc and run off from fertilisers
- Out migration
- collapse of primary industry
- loss of jobs & income
- Death
- Case study: Lake Chad
- Drying up - contributing to desertification in the region
- Lower crop yields
- less money & jobs
- water prices increase so poorest dont have access