The use of rainwater – rain gardens and retention basins
One method of utilising the valuable rainwater and reducing the risk of flooding in urban areas is creating rain gardens i.e. retention tanks in a container or in the ground, which, through appropriately selected layers of plants and soil-sand mixtures, keep rainwater in the ground, additionally cleaning it.
The Sendzimir Foundation provides a number of DIY instruction brochures on how to create a rain garden or a retention basin, i.e. a gentle depression in the terrain, where rainwater temporarily collects (up to two days).
Turning squares and courtyards into vegetable patches has a long tradition in Poland dating back to the WWII, when social workers helped residents start gardens in the courtyards of tenement houses. Currently, there are a few hundred community gardens in Poland and new ones are constantly created. A lot of cultural institutions and organisations decide to start vegetable gardens together with their audience. How to start such a garden? Useful information is provided e.g. by the Bujna Warszawa initiative [http://bujnawarszawa.pl/zakladanie/] or a publication by Wrocławska Rewitalizacja Sp. z .o.o. – Community Gardens. Good Practices Bank.
Bees can also be kept in cities and not only in gardens. Bee farms are increasingly present on the roofs of tenement houses, universities, offices, or even shopping centres. It is worth consulting an experienced beekeeper and choosing an appropriate site, queen bee of a gentle breed and swarming qualities to ensure the comfort of the bees and the safety of local residents. Read more.