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.

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.

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

World Vision's new study shows that access in schools to clean, safe, and inclusive WASH facilities are not just improving health, but education too.

The DAWAM project has brought clean water to Riza Gol and Jan Aga in their villages, transforming their lives, bringing hope, and creating lasting change.

In Aweil East County of Northern Bahr El Ghazal, hope is slowly returning to families displaced by conflict. Among them is Deng Nguac Kuot, a soft-spoken father determined to rebuild the life that war tried to take from him, thanks to the support from the GFFO Project implemented by World Vision.