Scientific research with locals and schools on the biodiversity of the Singelpark in Leiden.

Research with villagers to prevent the surfacing and installation of street lighting of an old dirt road in the Achterhoek.

Hoping to catch the elusive German sexton beetle, Nicrophorus germanicus, schoolboy Menno Schilthuizen did a carrion beetle trapping study in Oosterbeek in 1982.

An old pear orchard in the heart of the village of Schalkwijk was slated to be levelled for a new residential area.

In collaboration with local spelunkers, Taxon Foundation will carry out an expedition to investigate the cave animals of some of the most spectacular limestone caves of Georgia.

An abandoned strip along the railroad in the centre of Leiden was adopted by the local neighbourhood and, over 30 years, grew into a bit of wild urban nature.