Kraków, Poland
City population: 760089
Duration: 2017 – 2017
Implementation status: Planned, but cancelled
Scale: Sub-microscale: Street scale (including buildings)
Project area: 17 m2
Type of area: Central Business District / City Centre
Last updated: October 2021

The winners of Smogathon 2016 suggested building a large green wall in the centre of Kraków. Based on the modern technologies the artificially placed wall made of metal and moss would clean local air, lower the temperature, retain water, increase biodiversity and serve as a decoration for the city centre [1,2]. The project was not completed due to lack of scientific data on its effectiveness and the weak price and outcomes balance; the city is still searching for more economical and practical solutions [6].

Green wall
Source: https://lovekrakow.pl/aktualnosci/zdjecie/19096#photo

Overview

Nature-based solution

  • Nature on buildings (external)
  • Green walls or facades

Key challenges

  • Climate action for adaptation, resilience and mitigation (SDG 13)
  • Climate change mitigation
  • Green space, habitats and biodiversity (SDG 15)
  • Green space creation and/or management
  • Environmental quality
  • Air quality improvement

Focus

Creation of new green areas

Project objectives

The overarching goal of the intervention is to decrease levels of smog in the very polluted centre of Kraków [1,6].

Implementation activities

Planned: Building a green mossy wall of the following dimensions: 2.2 m (thickness), 4 m (height) and 3 m (width), with a total green area 16.82 m2 [1,2].

Climate-focused activities

Climate change mitigation:

  • Install vertical or horizontal artificial surfaces that help with carbon storage and cooling

Main beneficiaries

  • Private sector/Corporate/Company
  • Citizens or community groups

Governance

Management set-up

  • Co-governance with government and non-government actors

Type of initiating organisation

  • Local government/municipality

Participatory approaches/ community involvement

  • Other

Details on the roles of the organisations involved in the project

The municipality planned to purchase the product from the Berlin-based Green City Solutions company [3].

Project implemented in response to ...

... an EU policy or strategy? Unknown
... a national policy or strategy? Unknown
... a local policy or strategy? Yes (The Green City Board of Cracow outlined its general plans for 2017 to increase the amount of greenery in the city. Building green wall from moss fits into those plans.(2))

Financing

Total cost

€10,000 - €50,000

Source(s) of funding

  • Public local authority budget

Type of funding

  • Earmarked public budget

Non-financial contribution

Type of non-financial contribution
  • Provision of expertise
  • Other
Who provided the non-financial contribution?
  • Citizens (e.g. volunteering)

Impacts and Monitoring

Environmental impacts

  • Climate change
  • Lowered local temperature
  • Enhanced carbon sequestration
  • Environmental quality
  • Improved air quality
  • Green space and habitat
  • Increased green space area

Economic impacts

  • Unknown

Socio-cultural impacts

  • Health and wellbeing
  • Improved physical health

Type of reported impacts

Expected impacts

Presence of formal monitoring system

Unknown

Presence of indicators used in reporting

No evidence in public records

Presence of monitoring/ evaluation reports

No evidence in public records

Availability of a web-based monitoring tool

No evidence in public records

References

Green wall
Source: https://lovekrakow.pl/aktualnosci/zdjecie/19096#photo