Swiss scientists get water gushing in Uganda

In a refugee camp, one of the first challenges is usually water. But a Swiss project has helped one camp to find more. 

The Geneva-based United Nations refugee agency has an obligation to provide enough water, and it often has to spend a lot of money trucking it in from elsewhere. But at Bidi Bidi camp in northern Uganda, a Swiss method has helped quadruple the water supply by finding more productive wells. So how does it work, and can it be applied elsewhere?

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