WSI’s International Conference and Poster Exhibition on Decentralised Wastewater Management – Experience with Long-Term Operations

Decision makers in many developing and emerging countries are currently considering Decentralised Wastewater Treatment as a cost-effective and reliable alternative to centralised, conventional drainage and treatment concepts. International development banks

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WSI Currently Developing A Guideline On School Sanitation

Supported by ATB Umwelttechnologien GmbH, we are currently developing a practical “Guideline on Total School Sanitation”, which is supposed to help NGOs, state authorities, consultants and decision makers to embark

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