No abstract

Concepts such as green infrastructure, nature-based solutions, and ecosystem services gained popularity in recent discourses on urban planning. Despite their recognition as innovative concepts, all of them share a degree of ambiguity. Fuzziness can be a weakness but also an opportunity to shape novel concepts together with the stakeholders that are supposed to implement them in the planning practice. The paper traces concept development processes of green infrastructure through transdisciplinary knowledge exchange in three different projects, a European and a national research project and a local city-regional project as part of an EU regional cooperation project. In all projects, the green infrastructure concept evolved in different stages. Stakeholder involvement during these stages span from consultation to co-creation. The cases reveal two different approaches: concepts that are developed “for planning practice” might be based on a plethora of insight via consultation, while those “with planning practice” foster co-creation and might result in high acceptance among the involved stakeholders. Depending on the purpose of the novel concept, each approach can be beneficial and result in practice-related and operational products, such as guidance documents or planning strategies. However, the cases also show that in any new context an exchange about fuzzy concepts is not only needed but also a chance to stimulate cooperation and joint understanding about urban challenges and how to address them.

This article examines the need and opportunities to implement vertical green in Ljubljana as a case of a medium-sized European city with a relatively green feel. Sustainability-oriented urban development supports the introduction of nature-based solutions in principle; however, there is a lack of vertical green as well as actual legislative and administrative support. Therefore, several methods were applied in the present study to link this idea to execution, starting with semi-structured interviews and a workshop for selected city officials. Legislative and formal backgrounds for implementation were then assessed. An inventory of green façades and other structures (e.g., noise barriers and retaining walls) in Ljubljana was prepared, and a geographic information system-based decision support system was developed to identify the potential areas in the city where additional green space elements would be most favourable for humans, the environment, and climate indicators. The results reveal a gap between opportunities and the actual situation. The general opinion that there is never too much green space in urban areas is confirmed by direct information from the city administration and strategic documents. There are many potential sites for implementation; however, this is hindered by ownership, management, and economic issues. The study concludes with some suggestions for following the best practices in other central European capitals, such as Vienna and Berlin.

UVODNa področju prostorskega načrtovanja so scenariji poznani kot orodje oziroma pripomoček za predstavitev nekaterih sprememb v prostoru, ki so posledica planerskih odločitev, spontanih procesov ali njihove kombinacije. Koristni so predvsem zato, ker si z njimi laže predstavljamo spremembe v prostoru, kar je pomembno pri zagotavljanju transparentnosti in razumljivosti načrtovalskega postopka širšemu krogu uporabnikov prostora. Pri izdelavi scenarijev v okviru načrtovalskega postopka je koristno vključevanje deležnikov, ki s svojimi pogledi in informacijami

No abstract