... models bring-ing together the public and private sectors, not forgetting the vital role of education. Wise investments in wastewater management will generate significant returns, as addressing ... 76808182CONTENTS1415Water is crucial for all aspects of life, the defining feature of our planet. Ninety seven and a half per cent of all water is found in the oceans, of the remaining freshwater only one per cent ... water scarcity a limiting factor in economic and social development. International attention has to date, focused on water quan-tity, the supply of drinking water and increasing access to sanitation...