Reuters: Explainer: The business of water: no one-size-fits-all approach

The United Nations wants to get people talking in New York this week about investing in safe water, sanitation and hygiene, which it describes as “the most basic human need for health and wellbeing”.

Puzzles remains over how best to count the financial, social and environmental costs and benefits of water, but many investors now state an aim to generate returns while also improving water access and quality.