Green roofs-image

Green roofs

  • Description
  • Fields of action
  • Synergies
  • Good practice examples
  • References

Through the vegetation of the soil substrate on the roofs water is retained and can evaporate. Two system of green roofing can be distinguished based on the level of maintenance: extensive green roof to an intensive green roof.

Fields of action Buildings,Settlement areas
Synergies may exist between heavy rain risk management measures and other development goals like environmental protection, health care, and economic performance. Harnessing them requires involvement of different actors, enforcement of exchange between you and them and holistic thinking.

Check out the RAINMAN good practice examples:

no good practice example available


  • Office International de l’Eau (2015): Natural Water Retention Measures, URL: (19.03.2020): green roofs
  • Freie Hansestadt Bremen, Senator für Umwelt, Bau und Verkehr (SUBV) (Ed.) (2015: Merkblatt für eine wassersensible Stadt- und Freiraumgestaltung: Empfehlungen und Hinweise für eine zukunftsfähige Regenwasserbewirtschaftung und eine Überflutungsvorsorge bei extremen Regenereignissen in Bremen, URL: (25.03.2020): Begrünung von Dachflächen

Dominic Rumpf, Saxon State Office for Environment, Agriculture and Geology