We’re used to getting our water from our taps and from a tap in our house.

But the world’s water supply is growing more and more scarce.

Today, the world consumes an estimated 3.7 billion metric tons of water a year, and many countries, including the US, are experiencing unprecedented water shortages.

Ars Technics, in collaboration with WaterAid, will explore water-related issues in the United States.

Ars staff writer Matt A. Clark contributed to this story.