December 7, 2018

The final report of a project analyzing CLTS using the RANAS approach is now out. The project was funded by BMGF. Two cross sectional studies in Cambodia and Mozambique (see News June 8, 2018) and one big field experiment with 3'120 households in nor...

September 6, 2018

Here you will find a detailed description with pictures of our behavior change strategies to fight open defecation in India

Open Defecation Interventions

July 10, 2018

As you know a film is only a communication channel with which the BCTs are delivered to the target population. How this can be done is shown in this example about the promotion of handwashing in peri-urban Dakar, Senegal. In this film we show which B...

March 5, 2018

A short video (10 min.) in which Hans Mosler presents the main steps of the RANAS approach in general and in the humanitarian context was recorded for a MOOC ‘Introduction to Public Health Engineering in Humanitarian Contexts’.

Video: Hygiene promoti...

January 30, 2018

How to promote chlorination of drinking water?

How to prevent relapse from chlorinating drinking water?

A 3-years project in Chad in cooperation with WHO revealed the relevant RANAS factors for chlorination behavior and the corresponding behavior chan...

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RANAS MOSLER – Spin-off of Eawag

Prof. Dr. phil. et dipl. zool.

Hans-Joachim Mosler

Bergheimstrasse 8

8032 Zurich


RANAS Ltd. – Spin-off of Eawag

Drusbergstrasse 26

8053 Zurich


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