Water is the blue thread of integration connecting people, places, and progress. It is essential to the well-being of children and their communities and creates pathways out of poverty. Water transforms lives by driving economic growth, food security, environmental resilience, safe healthcare, and educational success. Mapping the Blue Thread is World Vision’s 2026 to 2030 global business plan to deliver adaptive water, sanitation, and hygiene (WASH) solutions for a better, healthier world across 42 countries. Our data-driven approach enables country WASH teams to deliver targeted, location-specific strategies that maximize impact, effectiveness, and sustainability.

Testing and analysing water sources for physio-chemical and biochemical contaminants is key to ensuring safety and health for vulnerable children.

In the remote village of Mafika-Lisiu, Mohale’s Hoek, World Vision International Lesotho transformed lives by installing 17 community taps, ending decades of water scarcity. The story of ‘Malimo and her mother, ‘Masimone, reflects how access to clean water restored health, dignity, and hope—reducing disease, improving hygiene, and empowering families to thrive.

Despite the lingering threat of cholera across parts of South Sudan’s Upper Nile state, especially in Renk, Sudanese refugee mothers like Nasime are proving that knowledge can be as powerful as medicine. Through simple but life-saving hygiene and health practices, they’re keeping their children safe, curbing outbreaks, and building resilience even in the harshest conditions.

Khalil A. Hamad, Technical WASH Focal Person with World Vision Iraq, says water, sanitation and hygiene (WASH) cannot be seen as a luxury in schools, but as the building blocks to a healthy and safe learning environment for children in Iraq.

The Joint Multi-Sectoral Early Recovery Rapid Needs Assessment was conducted in late August 2025 in response to the Cambodia–Thailand border conflict.

World Vision Afghanistan supported 146,253 people with health, nutrition, WASH, food security, protection & child wellbeing from June–July 2025.

Local Disaster Risk Reduction for Preparedness and Recovery Manual: Enhancing Communities' Resilience in North East Syria.

World Vision Mozambique brings hope to Mabalane communities with sand abstraction technology, ensuring clean water, safety, and better living conditions.