7. Diarrhoeal Disease
How bad is it?
• 2 million deaths per year (29% of under 5’s deaths)
= 18 Planes full of people every day
Why do people die?
• Essentially dehydration
What can we do?
• Improve water supply
• Improve (environmental) sanitation
• Improve hygiene & education
Water, sanitation and hygiene =
WASH
*
9. 1.2 billion people practice
“open defecation”
including more than 1/2
of people in southern Asia
and more than 1/4 of
sub-Saharan Africa
10. No one wants to donate to toilets!
Disclaimer: WaterAid are great and do lots of sanitaiton work – this is just an example of
public perception
Source: http://www.wateraid.org/other/display/jean.php?cartID=UN0000,12/TAB,DRTV,12/TAB/01A
21. Emptying
• It doesn't need to be emptied
• Manually – bucket
• Suction pump
• Piped sewerage
22. Where will the waste go?
• Spread on fields as fertiliser
• Transported to wastewater treatment
facility (processed and back to water body)
• To dumping ground
• Indiscriminately disposed of
23. Photo courtesy of: Nicola Greene. Pictured: Kermi, Humla District Nepal in different weather conditions
24. Photo courtesy of: Nicola Greene. Pictured: Water collection in snow in Humla, Nepal
25. Photo courtesy of: Nicola Greene. Pictured: Water collection in snow in Humla, Nepal
28. More than 40% of WASH schemes fail to
deliver benefits in the long run.
Broken Tapstands
Unused
latrines
Broken Tap
No drainage
Source: www.scienceagainstpoverty.com/Resources/documentos/Programa/ppt
/d1/Ricard_Gine_ppt.pdf
29. Bad design more locally
http://www.smosh.com/smosh-pit/photos/15-awkward-bathroom-design-fails