Circular City Challenge – the winners have been announced.

Circular City Challenge - die Gewinner stehen fest.

Within the framework of the Circular City Challenge, answers were found to the challenges of the transformation to a circular urban system.

BERLIN, May 19, 2022 – Circular City Challenge 2022

With the Circular City Challenge, Circular Berlin, Circular Munich, Materialkreislauf und Circonnact set themselves the aim of helping to shape the transition from a linear economy to a circular economy in the urban environment. To do so, they searched for the best answers to challenges in the areas of resource management, system infrastructure, digital technologies and consumption & awareness.

After 7 months, 130 applications and the evaluation of 20 jury members from over 4 cities, the most promising solutions and approaches have now been nominated. 

From the multitude of interesting projects, 8 winners were able to convince the jury, which is composed of urban representatives, that they can make an important contribution to the transformation to an urban circular economy.

The different projects of the 8 winners provide answers to various challenges in the transformation to a circular economy: from the building sector to food, furniture and new technologies – the winners of the Circular City Challenge are:

Hempstatic (         

Production of renewable building elements and recyclable insulation materials from high-quality and renewable raw materials (CO2-saving utility hemp).

Labor Tempelhof 

Developing technological responses to the climate and resource crisis. Clean energy, phosphor toilets, fresh food, sustainable merch, recyclable packaging or new mobility.

FLORIS Catering (

Composting facility that cuts food waste in half, helping cities address food waste and save money. 

Faircup  (

FairCup GmbH is a young and innovative company in the field of reusable cup systems, which offers a wide product portfolio, from cups to bowls to menu boxes

WeitergebenOrg  (

By providing a circular system for furniture, discarded furniture can be reused regionally, saving emissions from the production of new furniture.

Concular urban Hubs : (

Through Concular Urban Hubs, regional material cycles are supported by building a local infrastructure for circular building, consisting of business, policy, storage & logistics and matching digital software through Concular. 

Sleepify (

A circular economy mattress solution for hotels that improves their environmental footprint in an accessible and effortless way while putting an end to mattress waste. 

FarmNow (

Farming-as-a-Service platform makes growing and harvesting sustainable food available on demand in cities by providing an ecosystem of shared, vertical impact farms.

A promising exchange between some of the candidates and our jurors has already taken place and brought us closer to the goal of the Circular City Challenge: working together to drive urban transformation towards a circular economy. 

More information about the Challenge is available at

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