Daily Life Takes HOW Much Water?

water footprint of pizza infographic
This graphic from the book “Your Water Footprint” shows how much water it takes for a pizza.

Did you know it takes 240 gallons of water to make a cell phone? Or 52 gallons to make an egg?

The concept of such “hidden water” may seem unfamiliar to some, but it’s an important part of our impact on the planet, argues author Stephen Leahy in the recent book Your Water Footprint: The Shocking Facts About How Much Water We Use to Make Everyday Products.

Leahy, who has written for National Geographic, spoke with Water Currents about how water is required for almost everything we do, and how we can reduce that impact.

What inspired you to write a book on hidden water?

When I was in Australia doing a piece on climate change and invasive species for National Geographic I took an extra week of vacation and hung out with some Aborigines in a remote part of Queensland. To get water I had to walk 200 yards to a stream. It was heavy to haul the water and when it got dark it felt risky because they have nasty snakes and spiders there. That made me appreciate water more.

Then I went to a sacred waterfall, where shamans are initiated. In one of the final stages a candidate grabs the biggest rock they can lift and jumps into the pool, where they lay down until they drown. If the spirit finds them worthy they are brought back alive and become an official shaman. It had been over 20 years since someone managed that, but hearing about it made me realize that these folks take water really seriously.

And then when I got home from that trip I saw an email from the publisher, Firefly, asking if I wanted to write a book about —> Read More