How can Galway become one of the lowest carbon footprint cities in the world by 2030?
Galway
The top 100 highest-footprint cities worldwide drive roughly 20% of the global carbon footprint. If all cities globally, whether large or small, made concerted efforts to reduce their carbon footprints it would make a significant impact on decarbonisation pathways to reduce greenhouse gas emissions
Read moreHow can we transform city challenges like waste management into urban opportunities?
Zaječar
In recent years the generation of waste in urban areas of municipalities has increased, accompanying the increase in living standards and urbanization. A shift towards a circular economy, producing less or even no waste, could be the alternative.
Read moreMake Izmir more resistant and prepared to climate change!
Izmir
In this Climathon, we will be looking for answer to the question of how we can increase the resiliency and preparation capacity on a local scale, especially on a business scale, against natural disasters caused by climate change as a priority problem area.
Read moreHow to improve the purity of the fractions in household waste separation?
Ljubljana
The purity of fractions in household wast separation is lacking, which is affecting the reuse value of the waste as a raw material.
Read moreHow can the city centre of Brno become car-free?
Brno
Give an overview of how the traffic and the parking situation is like today and what problems in the city are linked to this. Describe what the exact problems are, related to privately owned cars (POV), which should be solved.
Read moreBuilding Climate-Neutral Neighborhoods: How to make room for innovation, adaptation and cooperation?
Delft
The process of thinking and designing new neighborhoods from scratch involves careful planning and decision-making, as well as clear ambitions to be matched. How can we sustain an adaptive and sustainable project while working closely with all the stakeholders and preventing lock-in decisions?
Read moreHow can we fight climate change managing our waste?
Santiago de Compostela
The 3 Rs from Reduce, Reuse and Recycle are not enought and Galician requires solutions to implement all the R of the Circular Economy: Rethink, Redesign, Refabricate, Repair, Redistribute, Reduce, Reuse, Recycle, Recover Energy ... each and every one of these R are the key for a zero waste region
Read moreHow can we develop a system to measure green areas in the urban environment of Brno
Brno
The goal is to be able to better measure green areas in Brno by using GIS and satellite data.
Read moreWhat are the best innovative and practical methods we can use to manage, reduce and recycle waste?
Khartoum
Waste management is a severe tangible challenge that Khartoum city is facing. Ranging from visual pollution to health threats and the disuse of potentially beneficial resources; this challenge is extremely pressing and has a direct impact on the daily lifestyle of Khartoum citizens.
Read moreHow can Dhaka City manage its waste effectively and efficiently with low cost?
Dhaka
Dhaka as a mega city produce enormous amount of waste but lacks effective management of waste, contributing to making this city as second least livable among 140 cities. Through this challenge we are looking for innovative business model, products and project plan to manage waste efficiently.
Read moreHow can we promote initiative of circular mindset in our community? Think circular-Be circular
Reykjavík
We all realised that some of our house equipment is breaking down faster than it should be. We also noticed that it was cheaper to buy a new phone than repairing it. We wonder also why buying a new T-shirt was the same price as repairing the hole in the previous one.
Read moreHow can we turn towards a sustainable food management in Reykjavík?
Reykjavík
Wasted food is a growing problem in our modern society and an untapped opportunity. Food waste occurs in all stages of the value chain of manufactured food products: from the production line, the transportation system, the sales, up to the consumer consumption.
Read moreHow can we create green buildings and green community spaces for expats?
Brno
Sustainable building, or green building for expats in Brno. Challenge by DOMEQ and Foreigners.cz
Read moreEvaluation of the meteorological data of Brno
Brno
Evaluation of the meteorological data of Brno to identify climate hot spots Evaluation of mainly meteorological indicators
Read moreWhere to when the trash can is full?
Šabac
Climathon in Šabac will connect local and regional teams with quality mentors and experts who will help them develop sustainable solutions to the city’s burning issue of waste management in time period of 24h.
Read moreHow can we contribute to the design of the waste information platform in Madrid?
Madrid
In this challenge we will work towards providing an information model that may be used for the development of the Waste Information Platform in Madrid, which is one of the objectives of the city of Madrid under its second Open Government action plan.
Read moreHow can we reduce the waste generated in the city, or at least, improve recycling and disposal?
Mexico City
Each person in Mexico City produces 1.7 kg of waste per day, 0.4 kg more than the national average. Therefore, the challenge is not only to collect, separate and recycle the waste, but to reduce its production.
Read moreWhat’s gone wrong, how can we do better?
Bangor
Bangor City and Gwynedd/Ynys Môn form a complex rural and urban ecosystem. Getting to grips with Climate Change is just as complex requiring a lot of collaboration to find solutions.
Read moreHow can we drastically reduce food waste in Den Bosch?
's Hertogenbosch
We'll develop and establish this city climate challenge together on October 19. During the Challenge Night, organisations, companies and authorities will join us in uncovering the concrete challenges we face in the fight against food waste. The results will be displayed here after October 19.
Read moreHow can Lisbon reduce food waste and plastic waste production?
Lisbon
How can the Citizens, Businesses and Organizations of Lisbon reduce the use of Plastic & Food Waste, to design innovative ways to become a Green Smart City?
Read moreHow do we achieve a circular economy of plastic materials focusing on upstream prevention?
Lund
Plastics are both a blessing and the cause of a lot of problems. How can we change our usage of plastics to keep the benefits while limiting the problems?
Read moreHow can we make Melbourne’s buildings less landfill-dependent?
Melbourne
Identify business opportunities that reduce the waste to landfill from those living, working and operating businesses in high-density buildings in Melbourne.
Read moreHow can we tackle climate change within our poorest communities?
Birmingham
To tackle climate change we need to ensure that everyone, from an 8 year old to an 80 year old has their say about how to create sustainable happy communities. Our more disadvantaged citizens need to have a say about tackling climate change in the context of their, often difficult, circumstances.
Read moreHow can we empower Brisbane residents to tackle climate change by reducing the waste they generate?
Brisbane
Teams are encouraged to develop business ideas, concepts and creations that provide Brisbane resident's with solutions to manage their waste using the top two tiers in the waste hierarchy; Avoid, Reduce and Reuse.
Read moreHow to improve waste to resource pathway for Varaždin city and the citizens?
Varaždin
The city of Varaždin wants to improve waste separation to increase volumes of resource circulation through local economy; to improve the management of waste textiles, plastics and other materials in Varaždin so they keep on circulating efficiently and be a resource for the city and the citizens.
Read moreHow can we go from "take-make-dispose" model to Cyclical Economy in Nicosia?
Nicosia
The transition to a cyclical economy requires a change in focus on reuse, repair, renewal and recycling of existing materials and products. That previously considered "waste" can be converted into raw material.
Read moreHow to effectively tackle waste production, resource consumption, materials reuse and recycling?
Venice
Tourism dominates the Venice economy and is one of the most intensive waste generating sectors. What type of projects and communication campaigns can effectively reduce waste generation, limit plastics consumption and improve the climate performance of Venice as a city and as a global beacon?
Read moreHow can we make Heraklion a better city to live in?
Heraklion
Warmer summers, drier winters, water scarcity, land degradation, problematic behaviours. Climate Change is knocking on our doors. Are we ready to open up and face it?
Read moreHow can citizens fight against climate emergencies and create new opportunities for growth?
Carpi
Environment conservation, increasing energy demand and climate change adaptation are important topics linked together in the sustainable development of a community. Several innovative solutions are needed to solve emergencies, such as, water deficit during the summer, air pollution and floods.
Read moreHow can a tech-enabled solution disrupt solid waste management in Egypt?
Cairo
Egypt’s trash is a commodity, just like oil or wheat. New approaches for waste collection and recycling can create green jobs. How can technology with innovative business models be combined to tap into “solid waste management” through the lense of the "circular economy".
Read moreHow can we motivate citizens to practice responsible consumption?
Hong Kong
Hong Kong faces the huge issue of over consumption, which leads to more waste and increases the burden on landfills . How can responsible consumption become more attractive?
Read moreHow can citizens help to maximize the use of resources?
Hong Kong
Each year, around 6 million tonnes of municipal waste are generated in Hong Kong and over half of them go to three landfills. If solid waste continues to grow, all existing landfills will be full by mid to late 2010’s. How can we get better at reducing waste?
Read moreHow to promote circular economy and reduce the production of waste in Cannes?
Cannes
To improve quality of life in Cannes a new prevention programme was started. How can the Climathon contribute to this programme and promote circular economy and reduce production of waste in Cannes?
Read moreHow do we make waste management more sustainable?
As cities face pressure to improve resource management efficiency, confront rising energy prices, and are running out of landfill space, reducing or avoiding waste generation becomes increasingly important. Waste management could improve the emissions of all sectors of the economy.
The collection, management and disposal of urban waste has to be improved globally. In the European Union’s framing of the circular economy, they emphasise a circular economy model 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.
In the Waste Hierarchy the principle of ‘prevention’ is prioritised, which encourages using non-hazardous and less material in product design and manufacturing, longer product lifespans as well as ensuring that the product design enables repair and reuse of products, components and materials throughout their lifetime. Developing circular production systems with sustainable materials to reduce waste requires new ways of collaborations throughout entire value-chains, including the consumers. Where waste cannot be avoided, product reuse, recycling and energy recovery are crucial parts of waste management. Innovative alternatives to waste disposal in landfills and incineration are needed as well.
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