Most of us take our drinking water for granted — switch on the tap, and out it flows. But in much of the world, that’s not the case. At home and abroad, tensions are mounting over water. In this episode, we take a closer look at the water we drink. We’ll hear stories about why water’s so important to our health; why we enjoy some kinds of water, but not others; how exactly water becomes clean enough to drink; and we’ll explore its ability to shape communities, and even politics, around the world.

Also heard on this week’s episode: