The Horse 2020/21

Environment & Technology

Lebensraum Boden - Soil habitat

Lebensraum Boden (Video, 3sat.de)

A few centimeters beneath our feet lies a hidden universe: the soil. We need this fragile world to survive. Yet we are in the process of destroying it permanently.

It is a thin layer that surrounds our planet, but more living creatures exist in it than there are people. The deepest part of this layer took a million years to form. The upper one, which feeds us and regulates the climate, centuries.


The soil: A diverse habitat
Healthy fertile soil is the most densely populated and diverse habitat on Earth. Only the interaction of billions of microorganisms and small organisms creates this thin layer, which is essential for survival. As part of the water and nutrient balance, it stores rainwater and nutrients, protects groundwater from pollution, reduces greenhouse gases and regulates moisture.

Tap Water

A Vital Resource Under Threat

We all drink too little tap water - even though in Germany and France it is considered the safest food of all. Here, as there, it is at least as good as bottled water from the supermarket. How can we make tap water more palatable (schmackhaft) to people? And: How is tap water actually produced? More...

Sustainable Soil Management: Soil for life

edX-course by the University of Wageningen (you will need a login)

Sustainable Soil Management: Soil for Life. This course is for anyone who is interested in learning why soil is so important, how it is being threatened and what we can do to protect this natural resource so vital to our lives.