The Sloterplas suffers of water with a low transparacy and the water contains a lot of blue algae. The q...

Small fish passages are often located in areas were waterways are completely dry in the summer. The pass...

Migratory fish need fresh and salt water for their lifecycle, but due to dikes and dams like the Afsluit...

In their migration from waterway to polder, fish are hampered by obstacles such as pumping stations and ...

When heavy rainfall occurs, pavement and sewers flood.

Flooding due to heavy rainfall or high sur...

The infiltration capacity of the "Piet Mondriaanplein" (square) in Amersfoort needs the improve to preve...

In urban area, space for green facilities is limited, therefore underground solutions are used. However, th...

The sewer system is not designed for large quantities of precipitation in a short period of time. This c...

In urban area, space for green facilities is limited, therefore underground solutions are used. However,...

Undesirable saltwater intrusion occurs.