As I head back to WaterAid's office in New York, I do so full of energy and new ideas. Sustainable Brands has given me a lot to process, think about and share with others. Most unusual of all, on the last afternoon of a four-day conference, I found myself excited and already looking forward to the next one. See you in Detroit.
The World Bank estimates that to achieve universal coverage in the water and sanitation sector by 2030 it will cost between $14 and $47 billion per year - and that's just to extend water, sanitation and hygiene services to the unserved. This amounts to up to three times the current investment levels.