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WADI is a sustainable solution which traces the progress of solar water disinfection in a
PET bottle.

Maintenance-free, inexpensive, energy self-sufficient and easy to use.

How WADI works
How WADI works
Millions of women and children spend
several hours a day collecting water
<span style="color: #000000;">Millions of women and children spend<br />
several hours a day collecting water</span>
Every 20 seconds, a child dies
from water-related disease
<div style="text-align: right;"><span style="color: #ffffff;">Every 20 seconds, a child dies<br />
from water-related disease</span></div>
Nearly 1 billion people lack access to safe water
<span style="color: #ffffff;">Nearly 1 billion people lack access to safe water</span>
Diarrhea kills more children than HIV/Aids,
tuberculosis and malaria combined
<span style="color: #ffffff;">Diarrhea kills more children than HIV/Aids,<br />
tuberculosis and malaria combined</span>
WADI in the field
WADI in the field
Inexpensive and easy
to use water disinfection
Inexpensive and easy<br />
to use water disinfection
Helioz Research & Development GmbH | Ruedigergasse 10 | A-1050 Vienna | Austria/Europe | Tel: 0043-1-8152624-44 | Fax: 0043-1-8152015 | office@helioz.org