The Global Situation. The « Big » Water Cycle . Annual Renewable Water (m 3 /person/year). Who Uses Freshwater?. Agriculture. Percentage of Total Water Used for Irrigation. Industry. Water for energy
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Percentage of TotalWaterUsed for Irrigation
More than one billionpeople, most of them inAsia, are still withoutimproved drinking watersources
3,900 children die each day due to dirty water or poor hygiene
2.6 billion people withoutimproved sanitation
1.8 million people die every year from diarrhoeal diseases (including cholera) – the equivalent of 15 killer tsunamis each year or 12 Boeing 747 crashes every day
Global coverage figures from 2002 indicate that, ofevery 10 people:
This map projects how much water will be withdrawn with respect to the amount that is naturally available.
Over the past 30 years, the Aral Sea in the former Soviet Union has shrunk toless than half of its original size.
Trends in service levels for drinking water
Tanzania was only 38% covered in1990, and in 2002 was 73% covered.
In 2002, 83% of the world’spopulation – around 5.2 billionpeople – had improved drinkingwater sources.
There is a lot of fresh water in the world …
It’s not aways where man needs it
Water is free from nature …
Infrastructure needed to deliver water is expensive
In many areas, water is easily accessible at low cost …
People assume it will always be available & take it for granted
There is a huge amount of water underground …
Man is using it faster than nature can replace it
5 bn people have reasonable access to fresh water …
Over 1 bn do not