A few years ago, former spots fields in the neighbourhood Schalkwijk in the city of Haarlem were transformed into an organic neighbourhood garden.

A miniature private nature reserve in the Eilandspolder in the province of Noord-Holland is, paradoxically, under threat from provincial meadow bird conservation regulations, which demand that all tall vegetation be removed.

Taxon Expeditions has organized ‘urban expeditions’ in 13 greenspaces in Amsterdam, the aim of which has been to form teams of both community scientists from the neighborhood and professional biodiversity experts and to carry out high-quality explorations of soil invertebrates of urban greenspaces.

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.