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  1. Using wastewater as a resource

    Not all wastewater is necessarily 'dirty'. Toilet water can even be used as a clean energy source!
    Algenbuizen in de kas

  2. Sustainable toilet use

    An average toilet cistern has a 10-liter capacity. How can we prevent wasting all that water?
    Symbolen voor man en vrouw op wc-deur

  3. Sustainable use of land & water

    Healthy surface water and soils are essential for life on earth, providing diverse life-support functions. How are these ecosystem services affected by human activity, and how can we change this?
    Biodiversity in NIOO's grassland garden in summer