Book download available in English, Italian, Basque and Spanish.

Let’s unravel this knot!

A guide for kids (and whoever wants) to dig deeper into the links between water, food and energy


The book

Leafing through the pages of this book we discover how to track the invisible water hidden in most of the objects we use every day, investigating its links with energy, food and ecosystems. We will discover how water affect our lifestyle and the one of other humans in other regions of the globe. Are you ready for this journey? Let’s go!

The project

UNTWIST is an EU-funded project aiming to advance the understanding of Water Energy and Food interactions through the lens of ecosystem services supporting integrated management and governance of the nexus under global change scenarios.

main themes

Have a look at what you will find inside the book

Natural Resources

Nature is everywhere. Learn how ecosystems contribute to the water, energy and food resources that we all use in our daily life

The Problem

Our footprint on the planet is too heavy. Try to predict the future to see how it may look like if we don’t change our lifestyle.


A better future is in our hands. Discover most creative and funny solutions to ensure the sustainability of our planet.

Some of the questions you will answer in this book:

Did you know?

Dangerous burps and farts

One single cow can produce up to 120 kg of methane a year in form of burps and farts.

When the ice can speak

Scientists can reconstruct the composition of the atmosphere of the past looking into big “carrots” of ice?

Tireless bees

71 of the approximately 100 types of crops that supply 90% of the world's food are pollinated by bees!
  • download
    your copy

    You can download your own copy of the book here.
    Please provide your email to start the download.

  • additional

    presentation deck

    Are you a teacher? You can download additional educational material (ENG only) to use in the classroom. Please provide your email to start the download.

  • Anna Sperotto

    About the Author

    Anna Sperotto is a Post-Doc Researcher at the Basque Centre for Climate Change (BC3) in Bilbao, Basque Country. In her research, she studies the effects of climate change and human activities on water resources and freshwater ecosystems.

    This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 893103

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