Technology & Health

Harvesting the sun's energy for clean drinking water: Where we are, where we need to be

Technology and health

Harvesting the sun's energy for clean drinking water: Where we are, where we need to be

Without drinkable water there is no life. Yet, nearly 1.1 billion people worldwide lack access to fresh water and another 2.4 billion suffer from diseases borne by unclean drinking water. This is because while science has yielded advanced water treatment methods such as membrane distillation and reverse osmosis, these are often difficult to implement in developing countries owing to their high cost and low productivity.

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