There are places in the world that the power goes out in hospitals, and there isn't clean water, and it's horrific.

Water is life, and clean water means health.

We can create new ways to create clean water.

Before he had come to the town he had known about nothing but death: here he had learnt to live, to decide things for himself; he had learnt what it felt like to wash in clean water in the sunshine until he was clean himself, and what it felt like to satisfy his hunger with food that tasted good; he had learnt the sound of laughter that was free from cruelty; he had learnt the meaning of beauty

More than a billion people lack adequate access to clean water.

Some countries have more water than others - some can afford to use clean water to flush their poop away, and some can't.