Freshwater

The problem

Billions of people lack safe drinking water and sanitation, while farming, industry and climate change put pressure on rivers and groundwater. Water scarcity and pollution are local problems with global causes.

Who may be affected

Rural households, women and girls who carry water, and communities downstream of polluted rivers.

Idea directions

• Leak detection and water-saving technology for buildings and industry
• Low-cost water testing and treatment for households