Our planet has a problem. Humans, like all living creatures, produce a lot of… well, unpleasant waste. In the form of pee and poo. Left untreated, it can poison water supplies, pollute rivers and ruin coastal areas. Unsanitary drinking water and a lack of proper toilets is a massive problem in developing areas, and in more developed areas, huge amounts of energy are needed to render our wastewater safe.
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