Circular economy

Where we will solve this challenge

Check out the map to see all the cities that face similar challenges in this area!

How to boost the capacity for self-organisation amongst different stakeholders in Vipava valley


How to boost the capacity for self-organisation amongst different stakeholders in Vipava Valley in order to tackle climate change together and make Vipava Valley a regenerative oasis.

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How can we ensure clean and safe food from farm to fork?


We all know and are experiencing the risk of known and unknown contamination of materials that are not up to food grade in to what we eat. In order to overcome such dilemma, there is a severe need to ensure safe and sustainable production and consumption of food starting from farm to fork.

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How can we prevent Batticaloa from extreme weather conditions and its impacts?


Batticaloa district is known to be prone to extreme annual weather conditions and its aftermaths such as flooding, extreme droughts and winds and etc. Participants are expected to propose solutions that reduce the impacts of such or strategies to reduce them recurring.

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Develop sustainable waste management strategies and solutions to Nairobi's current unsafe waste handling practices

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circular economy and nature based solutions


Our humanity needs to think new ways to design products service and cities that were good for people planet and cities. How do people experience circular economy? What are the drivers for moving to a circular economy? What opportunities does the circular economy bring to our cities?

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How can we enable global organizations across industries to transform from linear to circular supply


How can a Circular Economy be integrated into an existing supply chain of a producing business. The challenge requires you to start from conceptual basis and then apply innovative technological & design capabilities to build a scalable product protoype.

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How to better recycle in Cagnes-sur-Mer?


Help to improve recycling together with kids, adults, students, entrepreneurs and citizens of Cagnes-sur-Mer

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Waste Management


Solve the Subotica's challenge and help us answer how to manage waste

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How to increase sustainable consumption patters among the Ljubljana residents


The challenge aims at encouraging the residents of Ljubljana to increase their sustainable consumption patterns and to increase the use of more sustainable products with a longer life period or to improve the sustainable use of products. e

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How do we make the economy more circular?

Traditional linear economy supports short-sighted design, conspicuous consumption, and inefficient waste handling. Cities are prime candidates for pioneering a new, long-term vision: The circular economy—which integrates sustainable production (across supply chains), as well as consumption.

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In the European Union’s framing of the circular economy, a circular economy model is emphasised whereby the “value of products, materials and resources is maintained in the economy for as long as possible, and the generation of waste minimised” through adopting strategies such as re-use, repair, refurbishing and recycling to extend the useful life of existing materials, components and products.

With the industrial sector being responsible for about 30% of global greenhouse gas emissions it is evident that our production systems need to decarbonize.

At present, two thirds of industrial emissions come directly from materials processes, irrespective of the energy mix used. Implementing circular approaches has the potential to reduce EU CO2 emissions associated with the production of steel, plastics, aluminium and cement by 60% in the next 30 years.

To achieve the climate targets, our economies need to reconfigure material flows. We need to move from a linear model based on a 'take-make-dispose' pattern to industrial systems and economies aligned with circular economy principles. According to the British Standard Institute (BSI), the idea of a circular economy cannot be reduced to a simplistic definition, as it proposes a different way of thinking about the structure of our economies. This definitional challenge is also a legacy of its antecedents which can be traced back to different schools of thought ranging from industrial ecology, performance economy, biomimicry, cradle to cradle, blue economy, regenerative design and natural capitalism.

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