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Who are we?

Humus Ambassadors is SEFE's new educational project to raise awareness on the role of soil in storing carbon, mitigating climate change, and protecting biodiversity.


We help to educate children and adults on the benefits of caring for soils in their gardens, in the agriculture and forestry sectors, and on Earth more broadly.

The aim of Humus Ambassadors is to make soil educational widely and freely available.

Why are soils important?
  • Soils can be seen as a "life support system".

  • Soils are the home to earthworms and micro-organisms.

    • Earthworms and micro-organisms fix nitrogen and decompose organic matter, which is essential for the life cycle of plants.

  • Soils are a key source of raw materials.

Hands in the Soil
Can we produce food without healthy soils?
  • Soils anchor the roots of planets. Therefore, it provides us with food and medicine.

  • Soils store nutrients.

  • 95% of our food is grown in topsoil.

How do soils protect biodiversity?
  • Soils are key to biodiversity.​

    • In a handful of soil, you can find more living organisms than there are people on the planet.

    • 25% of all animal species live underground.

    • 40% of organisms in terrestrial ecosystems "are associated with soils during their life cycle".

Sun through the Branches
Can healthy soils protect us from flooding?
  • Soils hold water.

  • Healthy soils can protect us from flooding.

What role do soils play for the climate?
  • ​Soils store large amounts of carbon dioxide.

    • Soil can store three times the amount of the carbon dioxide stored in the atmosphere.

    • Soil can store twice the amount of of the carbon dioxide found in all plants and trees on Earth.

Pine Trees
What does the law say about soils?
  • The European Union has recently proposed a new law to protect and restore soils, called the "Soil Monitoring Law":

Trowel and Soil
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