Skip to Main Content
Search Ideas
Login | Signup
Categories
all (607)
Education (37)
Environment (83)
Finance (21)
Global Development (60)
Government (31)
Health (75)
Management (37)
Online Collaboration (41)
Philanthropy (23)
Security (28)
Technology (49)
Fun Stuff (50)
Other (56)
Site Feedback (16)
Subscribe
607 Ideas, 183 Comments, 1848 Votes »
« Back To Good Ideas
Solar Water Disinfection
Revise
Vote Up
21
Vote Down
A billion people drink highly polluted water. Treating water by putting it in 2 liter cola bottles and setting it in the sun on a black surface for 5 hours kills 99% of pathogens. One of the world's truly great ideas. See
http://www.sodis.ch/
Idea # 62
Global Development
,
water cleanwater sodis
,
water
,
cleanwater
,
sodis
,
solar
Comments
ksetzekorn
6 months ago
Are there issues with chemicals leaching from the plastic bottles into the drinking water?
Post New Comment
Related Topics/Ideas
Title
5
Vote On Idea
LED Lighting for Rural Villages
Global Development
,
development poverty light led solar
,
development
,
poverty
,
light
,
led
,
solar
5
Vote On Idea
Collect Sunlight, Distribute Through Buildings with Fiber Optics
Environment
,
solar energy fiber light construction
,
solar
,
energy
,
fiber
,
light
,
construction
9
Vote On Idea
Solar-powered WiFi
Global Development
,
development solar wifi internet
,
development
,
solar
,
wifi
,
internet
3
Vote On Idea
Buy One Give One (BoGo) Programs
Global Development
,
bogo flashlight light donation solar
,
bogo
,
flashlight
,
light
,
donation
,
solar
2
Vote On Idea
New Technology Solar Power for Villages
Global Development
,
environment solar development
,
environment
,
solar
,
development
1
Vote On Idea
Solar-powered Microfilm Projector to Teach Third World Literacy
Global Development
,
solar education literacy
,
solar
,
education
,
literacy
2
Vote On Idea
Solar Roof Tiles
Environment
,
solar home energy environment
,
solar
,
home
,
energy
,
environment
2
Vote On Idea
Utility-Scale Solar Updraft Generators
Environment
,
energy
,
solar
,
arizona
5
Vote On Idea
Water "Tarpaulin" Combines Transport, Purification
Global Development
,
water
,
sanitation
,
solar
1
Vote On Idea
Match Solar Energy Investors with Property Owners
Environment
,
solar
,
investing
2
Vote On Idea
Solar Ovens From Recycled Materials
Global Development
,
oven
,
solar
,
recycle
3
Vote On Idea
Hybrid Power Plants
Environment
,
energy
,
solar
3
Vote On Idea
Power Europe with Sahara Solar Plants
Environment
,
energy
,
solar
,
europe
,
sahara
3
Vote On Idea
Green The Sahara
Environment
,
sahara
,
desert
,
solar
,
greenhouse
4
Vote On Idea
Using Solar to Clean Waste Water
Health
,
water
,
solar
,
waste
3
Vote On Idea
Emulate Photosynthesis through Viral Modification
Environment
,
energy
,
solar
,
photosynthesis
,
virus
3
Vote On Idea
Solar Cell Windows
Technology
,
solar
,
window
2
Vote On Idea
New Solar Light Bulb to Replace Kerosene Lamps
Global Development
,
technology
,
solar
,
light
1
Vote On Idea
Solar-powered Water Purification
Global Development
,
water
,
solar
,
sanitation
3
Vote On Idea
High-tech Outhouses
Global Development
,
environment toilet outhouse development
,
environment
,
toilet
,
outhouse
,
development
,
water
,
sanitation
-1
Vote On Idea
Add Lithium to the Water Supply to Improve Mood
Health
,
lithium psychiatry water suicide mood
,
lithium
,
psychiatry
,
water
,
suicide
,
mood
3
Vote On Idea
Fight Water Shortages Through Appropriate Pricing
Environment
,
water
,
global development
,
pricing
,
drought
1
Vote On Idea
New Chemical Acts As "Mercury Sponge" to Clean Water
Environment
,
water
,
mercury
,
pollution
5
Vote On Idea
Water Bottle with UV Light Source to Purify Water
Technology
,
environment
,
water
3
Vote On Idea
Detergent-Strength Tap Water
Environment
,
detergent
,
cleaning
,
water
2
Vote On Idea
Low-Cost Hand-Washer from Two-Liter Bottle
Global Development
,
health
,
handwashing
,
sanitation
,
water
2
Vote On Idea
Cheap Desalination
Environment
,
water
,
desalination
,
sanitation
1
Vote On Idea
Cheap Water Purification
Global Development
,
water
,
kamen
5
Vote On Idea
Water "Tarpaulin" Combines Transport, Purification
Global Development
,
water
,
sanitation
,
solar
3
Vote On Idea
Transport Water in Developing Countries with Aquaport
Global Development
,
health
,
water
3
Vote On Idea
Water Testing with Reporting via SMS
Global Development
,
water
,
sms
,
mobile
3
Vote On Idea
Social Media for the Common Good – Less Toast; More Water
Online Collaboration
,
philanthropy
,
global development
,
water
2
Vote On Idea
Don't Drink Water from Fiji
Environment
,
water
,
fiji
,
bottle
3
Vote On Idea
Burn Cow Manure to Purify Water
Health
,
water
,
manure
,
environment
,
kamen
4
Vote On Idea
Drink Tap Water
Health
,
environment
,
water
4
Vote On Idea
Filter Water With Rice Husks
Health
,
technology
,
water
,
filter
,
india
,
rice
,
tata
5
Vote On Idea
Create a New Market Through Education
Global Development
,
hygiene
,
water
,
hands
,
soap
,
unilever
4
Vote On Idea
Using Solar to Clean Waste Water
Health
,
water
,
solar
,
waste
2
Vote On Idea
Turning Wastewater into Gold (or at least Fertilizer)
Environment
,
waste
,
fertilizer
,
sewage
,
water
,
sanitation
1
Vote On Idea
Solar-powered Water Purification
Global Development
,
water
,
solar
,
sanitation
Activity Chart
Controversy Meter
Idea Rank : 1
Share
Email
Twitter
Users Tracking (1)
Copyright © 2010
Home
|
Widgets
|
Developers
Close
Close
Revise
Vote Up
Vote Down
Post New Comment
Close