Integrated Sustainable Wastewater Management (EcoSan) for Tuvalu 6 th  May 2013: Tuvalu’s GEF Pacific IWRM Demonstration Project entitled “Integrated Sustainable Wastewater Management (EcoSan) for Tuvalu” has strengthened arrangements for improved wastewater management and mainstreamed IWRM into National Policy. The project has also successfully shared sanitation solutions with other Pacific countries.