Water Flashcards
Water demand increasing because
Rising population
• more drinking washing etc
•More food irrigation a cropped fresh water supply
Economic development
• industrialisation a manner factory
• Energy production uses 15% of water drawn globally
•Rising living standards more dishwashers
Water availability affected by
Climate eg Sahara Geology Poverty Over abstraction Pollution Poverty
Water insecurity impacts
Pollution and disease
Food production
Industrial output
Conflict
Increasing water supplies
Water transfer
Dams and reservoirs
Desalination eg London plant can supply 400,000 homes times shortage
Dubai gets 99% of its water free desalination
Device plant 85% efficient London’s plant 45% of fish and
Sustainable water supply
Water conservation dual flush toilets efficient technology is shorter showers
Groundwater management
Recycling and grey water
Colorado river management
Advantages
Supplies farms and ranchers and cities in seven states
Imperial Valley with water for irrigation
1.5% of food supply
Jobs
Reservoirs give opportunities for Taurus e.g. Lake Powell alone has over 2. 5 million visitors a year
Sustainable water supply example Nigeria rainwater harvesting tank water aid
Economic environmental and social sustainability