Saved on this device

Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Medicine

Evaluating the Sustainability of Water Sanitation Projects in Sub-Saharan Africa

Quick fact

A study of hand pumps in sub-Saharan Africa found that roughly one in three fails within the first decade; overall, about 30–50% of water projects become non-functional over time. This means that hundreds of millions of dollars are spent on projects that do not deliver lasting water access.

Why this is interesting

What if several million dollars of aid money used to build wells simply disappears within a few years? In Sub-Saharan Africa, up to 40% of hand pumps are broken at any given time, revealing a hidden crisis behind many water projects.