Landscaping and review of approaches to support service provision for water, sanitation and hygiene

This document presents the landscaping of approaches and enabling factors applied in the water, sanitation and hygiene (WS&H) sector, which was commissioned by the Bill & Melinda Gates Foundation. It provides a background to past and present approaches and follows a framework based on three main driver categories for improving service provision. It describes the main challenges and opportunities and puts forward a number of innovative and potentially viable solutions that may be considered for future work in the sector. It is a supporting document to the main report, which provides an overview and mapping of approaches to the delivery of water, sanitation and hygiene services.