This report gives an overview of how water resources can be protected and used efficiently based on the work of the Global Environment Facility (GEF). It provides examples of how the work has encouraged cooperation across sectors and national borders. Case studies cover topics including pollution control, sustainable use of water for food security, and energy security through water management.

The authors conclude with a description of initiatives that aim to improve public health through wastewater management and ecological sanitation. They suggest that cooperation towards a shared goal is needed to sustain the benefits of water systems. The report is available in English, French and Spanish.