A Hyperlocal Global Urban Movement

Photo by: Mathieu Delmestre

OBEL AWARD winner Carlos Moreno explains the complexity theory behind the 15-minute city concept and the growing global movement it has created led by scientists and mayors.

12 OCTOBER 2021

Cities need to breathe.”


These are the words of scientist Carlos Moreno who envisions a living city with a human scale that takes advantage of, but is not controlled by, technology.

“We live today in unbreathable cities, cities with stress that are totally unsustainable. We need to transform our mobilities. We need to change our urban lifestyle,” he says.

Carlos Moreno, scientific director and professor at University of Paris 1 Panthéon-Sorbonne, is the winner of the OBEL AWARD 2021 for his work on the 15-minute city. This makes him the third recipient of the new, international prize for architecture that honours recent and outstanding contributions towards changing the physical, designed environment for the common good.

“I want to thank the jury for giving me this award. In my opinion, it is in fact a triple recognition: On the one hand, it is a recognition of my academic work, but secondly, it is a recognition of the international movement generated by the 15-minute city. And thirdly, it is a recognition of the commitment by different mayors around the world in embracing the 15-minute city,” says Carlos Moreno.

The spark for scientists and mayors

In short, the idea behind the 15-minute city is that all residents should be able to access their daily needs within the distance of a 15-minute walk or bike ride. When Carlos Moreno proposed the 15-minute city model five years ago, he says that people considered it a good idea but a utopian concept, mainly because they thought it unrealistic that everyone should work close to home. The Covid-19 pandemic has brought with it a radical transformation of the workstyle, however. According to Carlos Moreno, young people in particular have discovered the possibility of using digital technology to gain more freedom in their work-life balance and to replace the commute time from their home to their office with useful time for living. “Covid is the spark for transforming our cities,” he says.

The 15-minute city gained traction globally during the Covid-19 pandemic when the urban network C40 cities decided to promote the model as a new roadmap for a post-pandemic world. In Paris, Mayor Anne Hidalgo made the 15-minute city an important part of her reelection campaign in 2020 and invited Carlos Moreno to be closely involved in the work of transforming Paris using his concept.

“The close collaboration between Hidalgo and my team of scientists made it possible to transform the city of Paris and to inspire cities worldwide to follow the example. As a result, I was contacted by mayors around the world telling me that they were implementing the 15-minute city in their city. I think that in the history of urbanism, this situation is very original: that we have scientists developing new concepts, and at the same time, we have mayors who listen to scientists such as myself and decide to implement the concepts in their cities,” says Carlos Moreno.

Robotics and urbanism

Carlos Moreno is trained in mathematics and computer science, specifically robotics and artificial intelligence. Just after the internet revolution in 2000, the professor was one of the proponents of “smart cities” and using computer science and mathematics to optimise the functions and management of cities. However, with time and with the increasing awareness of climate change as the most important threat for humans, he changed his mind.

“I decided that my duty was not to continue to propose tech solutions but to orient my professional activities towards understanding the complexities of cities, understanding the impact of climate change, the role of the economy, and the social aspects of cities,” he says.

Cities are incomplete systems, imperfect systems, in permanent evolution

The shift from robotics to urbanism was not as radical as one might think, however. According to Carlos Moreno, there are many similarities between the two fields, and he found that he could apply his knowledge of complexity to gain a better understanding of cities.

“Cities are the most complex systems created by humans. And one of the characteristics of a complex system is the non-possibility of predicting its evolution. So, as complex systems, cities are totally unpredictable. Cities are incomplete systems, imperfect systems, in permanent evolution – fragile. We need to consider cities as complex systems and imagine new ways to generate adaptable solutions. This is how I came to propose the living city instead of the smart city. We need to abandon this idea of the city controlled by technology,” he says.

Architecture in a complex system

The concept of the 15-minute city and the theory of complexity that lies behind it are highly relevant to architects. If cities are complex systems, and therefore unpredictable and fragile, architects must create solutions that adapt to changing conditions, according to Carlos Moreno.

“Architects generally focus on a building and the functionalities inside. But we need to develop a holistic vision. When you decide to embrace the discipline of complexity and see the city as a complex system and a living organism, buildings are also part of the ecosystem. In this way, a building needs to live and breathe, and it needs to transform and to change its uses over time,” he says and continues:

“With the current climate emergency, it is totally necessary to have an adaptable environment in the city if we want to be resilient. Therefore, I think that we need to generate a new movement with architects, urbanists, landscape architects, etc., to propose a new paradigm for transforming cities into living, sustainable, resilient cities with a human scale.”

Expanding a new urban lifestyle

The 15-minute city promotes walkability and cycling in big cities. However, in less dense areas, it may not be possible for people to access all essential urban functions by foot or by bike.

“Today, the 15-minute city is based on high-density, compact urban zones. We need to broaden our focus to include different densities and territories: from the small cities to the mid-sized cities and even to the rural territories. We need to keep the concept of the 15-minute city but imagine new ways to implement its principle of proximity in other densities,” says Carlos Moreno.

At the moment, the professor and his team have started a new experiment in the South of France to understand behaviours at this lower level of density: the 30-minute territory, based on the same scientific concepts of polycentrism and new proximities. The OBEL AWARD prize will help him and his team for future efforts to focus on different urban and territorial densities. This will allow for the full use of the 15-minute concept and its potential to reduce CO2 emissions globally and increase the quality of life for people, he says:

“The OBEL AWARD for me is a very important recognition of my work. I think that it is a wonderful opportunity for me and my team for continuing and upscaling our work and for spreading this new urban lifestyle.”


Read the article A Hyperlocal Global Urban Movement on the OBEL AWARD website: obelaward.org.

The 15-Minute City at a Glance

Photos by: Emilie Koefoed

1 October 2021

The 15-minute city is a term coined in 2016 by Carlos Moreno, scientific director and professor specialising in complex systems and innovation at University of Paris 1 Panthéon-Sorbonne.

The term covers an urban theory and an urban model that cities can use to ensure that all residents are able to access their daily needs (work, housing, food, health, education, and culture and leisure) within the distance of a 15-minute walk or bike ride.

The model has been adopted by several cities around the world, most notably in Paris where mayor Anne Hidalgo collaborated with Carlos Moreno and made it part of her re-election campaign in 2020. In 2020, C40 Cities promoted the 15-minute city idea as a blueprint for post-COVID-19 recovery.

What is the 15-minute city?

The 15-minute city is a new urban model that promotes a human-centric and environmentally sustainable urban future.

The idea at its core is that cities should be designed – or redesigned – so that residents of all ages, backgrounds, and abilities in all parts of the city are able to access their daily needs (housing, work, food, health, education, and culture and leisure) within the distance of a 15- minute walk or bike ride.

The model supports a decentralised city and a modal shift away from private vehicles, which at the same time reduces the use of fossil fuels and increases the quality of life for citizens.

The model does not call for a return to village life, however. Instead, the 15-minute city is a decidedly urban theory that heralds urban life with all its advantages: vibrancy, creativity, diversity, innovation, active citizenship, and technology used for the common good. The 15- minute city model reintroduces the qualities of older cities, adapted to contemporary lifestyles.

The 15-minute city is based on universal human needs and is flexible enough to work in all cities regardless of size, geographical and cultural differences. It can also be applied both when redesigning existing cities as well as in the planning of new cities or urban areas. In addition, the model is easily translatable to specific urban policies and encourages citizen participation and cross-disciplinary action between architects, landscape architects, urban planners, other professionals, politicians, businesses, developers, and owners.

The decentralised, polycentric, and multi-service 15-minute city promotes the common good to guarantee a city for all and to avoid gentrification.

Benefits of the 15-minute city

  • Better health and quality of life: less commute time, allowing people to have more free time at their disposal; physical and mental health benefits of active travel, cleaner air, easy access to healthy food options, quality green space, and stronger community ties that reduce loneliness.
  • A more environmentally sustainable city: lower transport emissions from cars; more trees, vegetation, and green space, which also eases the urban heat-island effect, reduces flood risk, and improves biodiversity.
  • A more equitable and inclusive city: more public spaces, both indoors and outdoors, in which to play, mix, and socialise; support for neighbourhood businesses and entrepreneurs; street design and active travel schemes for vulnerable users and people who cannot afford a car; incentives for citizens to participate in local policy-making; a stronger sense of community.
  • A boost to the local economy: more footfall for local high streets; more local and diverse employment opportunities; more productive use of buildings and street space.

The relevance of, and the urgent need for, a new urban model

The 15-minute city breaks with the primacy of the car and the dysfunctional urban patterns brought about through decades of large-scale modern urban planning. For too long, people have accepted the dysfunctions and indignities of modern cities and adapted to the absurd organisation and long distances of most of today’s cities, says Moreno in his TED talk.

“It’s funny if you think of it: the way many modern cities are designed is often determined by the imperative to save time, and yet so much time is lost to commuting, sitting in traffic jams, driving to a mall, in a bubble of illusory acceleration,” he says.

Many of the qualities of the 15-minute city were the norm before cars became dominant, and cities were divided into disconnected areas reserved for each their purpose: residential areas separated from retail, businesses, industry, and entertainment. This urban planning regime has increased transport time and transport emissions and intensified the stress on the environment.

COVID-19 and the lockdowns of the world’s cities has made people appreciate even more the value of walkable, local public space and has highlighted the need to imagine a more attractive and sustainable urban future.

How the model differs from similar theories

The 15-minute city shares ideas with other urban theories, such as Jane Jacobs’ thoughts on urban life and the Nobel Prize-winning economist Elinor Ostrom’s work on governing the commons, as well as other people-centric approaches. However, the 15-minute city also responds to new challenges such as climate change, COVID-19, and globalisation – and their potentials. The 15-minute city embraces changes in life and workstyles as well as new technology and innovations such as electric mobility, digitalisation, and the sharing economy. Furthermore, the 15-minute city includes cultural and social needs and environmental concerns.

Contrary to many urban theories, the 15-minute city is free of political ideology and attitudes towards the aesthetics of the architecture and refrains from specific instructions on urban space design. The 15-minute city merely defines a number of universal human needs and functions and the desirable distance to them, and in this way, it is easily adaptable to all cities.

The 15-minute model in detail

The 15-minute city is based on six essential human needs, three goals or features, and four guiding principles, as defined by Carlos Moreno.

The six essential urban social functions that are needed in all cities:

Living, working, supplying, caring, learning, and enjoying. I.e. housing, work, food, health, education, and culture and leisure.

The three key features that define a good city:

  1. The rhythm of the city should follow humans, not cars.
  2. Each square metre should serve many different purposes.
  3. Neighbourhoods should be designed to live, work, and thrive in them without having toconstantly commute elsewhere

The four guiding principles that are the key building blocks to design the 15-minute city:

  1. Ecology: for a green and sustainable city.
  2. Proximity: to live with reduced distances to other activities. 3. Solidarity: to create links between people.
  3. Participation: to engage citizens in the transformation of their neighbourhoods.

The C40 Cities, a network of the world’s metropolises committed to addressing climate change, has used the 15-minute city model to define more concrete solutions:

  • ‘Complete’ neighbourhoods: provide all amenities through zoning, mixed-use, land-use.
  • People-centred streets and mobility: provide pedestrian and cyclist infrastructure.
  • A place for everyone: provide for everyone, avoid social divides, engage citizens.
  • Connected places: provide public transit and internet.

The adoption of the model worldwide – a global movement

The 15-minute city model has proved easy to translate from theory into urban policy and into political programmes that resonate with citizens. From Paris to Houston, Milan, Brussel, Valencia, Chengdu, and Melbourne, the ideas behind the 15-minute city have been implemented in cities with great success, generating a global movement.

The phrase ’15-minute city’ is the most commonly used term internationally, popularised by Paris Mayor Anne Hidalgo and Carlos Moreno. However, cities are using many other terms to describe the same set of principles – ‘ciudad a escala humana’ (‘human-scale city’, Buenos Aires), ‘complete neighbourhoods’ (Portland, Oregon), ‘Barrios Vitales’ (’vital neighbourhoods’, Bogotá), ’20-minute neighbourhoods’ (Melbourne). In China, Shanghai and Chengdu are working with 15- minute walks or ’15-minute community life circles’.

Dublin, Ottawa, Busan and Seattle are among those to have declared plan to implement the approach.

In 2020, C40 Cities promoted the 15-minute city idea as a blueprint for post-COVID-19 recovery.


Critics have pointed out that the model could lead to increased marginalisation of disadvantaged neighbourhoods. However, this can be avoided by focusing first on underserved areas of the city when implementing the 15-minute city model. The management of resources with an urban policy based on the urban commons is essential for a 15-minute city for all.


C40 Knowledge Community
https://www.c40knowledgehub.org/s/article/How-to-build-back-better-with-a-15-minute- city?language=en_US

Carlos Moreno’s professional website

Carlos Moreno’s TED talk https://www.ted.com/talks/carlos_moreno_the_15_minute_city/transcript?language=en

Entrepreneurship, Territory, Innovation Chair https://chaire-eti.org/en/


Read the text The 15-Minute City at a Glance on the OBEL AWARD website obelaward.org.

Byplanlægning: med tyvens øjne

Fotokreditering: Emilie Koefoed

Nabohjælp, tryghedsvandringer og undervisning har virket: Det høje indbrudstal i Furesø Kommune er faldet drastisk. Nu vil kommunen også teste, om man kan planlægge sig til boligområder, der i deres fysiske udformning er mindre attraktive for indbrudstyve.

10. august 2021

Jeg vogter her! står der på et skilt med et billede af en schæferhund. Inde i flere af de gule parcelhuse sidder folk, coronahjemsendte, ved deres computere. En mand ordner have, et ældre par vender tilbage i bil fra indkøb. Ellers er der stille på en hverdagsformiddag i Grundejerforeningen Baunehøjpark — et boligområde, der ligger naturskønt i en lille lomme mellem skov og fredede områder med udsigt til Farum Sø. Foråret er begyndt at vise sig, og mirabelletræerne drysser allerede hvide kronblade. 

Sådan oplever man måske området, hvis man er almindelig besøgende i Baunehøjpark. En anden måde at se det på er fra tyvens perspektiv, og da er det helt andre ting, man noterer sig: de lukkede gavle uden vinduer eller døre, de mange hække, de snørklede stier.

Det er med tyvens øjne, at borgerne pludselig ser deres eget boligområde, når kommunen tilbyder tryghedsvandringer med eksperter i indbrudsforebyggelse. Her får borgerne bedre forståelse for de fysiske forhold ved deres huse, haver og fællesområder, der gør det nemmere at være indbrudstyv. Vandringerne er en del af Furesø Kommunes samlede tryghedsindsats.


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Byplanlægning – med tyvens øjne i ByplanNyt, 19. årgang, august 2021.

Fremtidens boligformer udvikles i et laboratorie

Fotokreditering: Jakob Ljørring

Eksperimenter med nye boligformer skal give danskerne et mere varieret og relevant boligudbud – og dermed bedre mulighed for at udleve deres idé om det gode liv.

10. september 2020

Singleforældre kan snart bo sammen dør om dør i Carlsberg Byen mellem ungdomsboliger, seniorbofællesskaber og ‘klassiske’ familieboliger. I Herlev bliver taget på en erhvervsejendom bebygget med boliger og urban farming.

Sådan lyder to af de syv udvalgte projekter i Boliglaboratorium. Realdania og Statens Kunstfond har lanceret laboratoriet for at hjælpe hele byggebranchen med at udfordre måden, man tænker, udformer og bygger boliger. Nye familie- og bosættelsesmønstre gør nemlig, at mange danskeres liv ikke længere passer ind i den typiske bolig.

Singleforældrenes behov

Danskerne lever i dag i 37 forskellige familieformer ifølge Danmarks Statistik, og skilsmissestatistikkerne fortæller også deres historie. Det betyder bl.a., at der er en mere og mere almindelig men en boligmæssig overset gruppe — nemlig fraskilte/enlige forældre, der bor alene med deres børn hver anden uge, forklarer Mette Mogensen, by- og boligudviklingschef i den almene bygge- og boligadministration Domea.dk.

– Folk bor ikke nødvendigvis sammen far, mor og børn, fra de bliver gift, til de dør. Så selvfølgelig bliver vi nødt til at se på, hvordan vi bygger. I dag er folk ofte nødt til at passe ind i den typiske bolig med master bedroom og to børneværelser, siger hun.

Det nye eksempelbyggeri i Carlsberg Byen skal give et bud på, hvordan en bolig ser ud, når den indrettes til en singleforælders behov. Hvordan kan den være fleksibel nok til at kunne rumme far og to børn den ene uge og kun far den næste uge?


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Fremtidens boligformer udvikles i et laboratorie på buildinggreen.eu

Architecture in Favour of Life

Fotokreditering: Kurt Hoerbst 2020

Anna Heringer on the project ‘Anandaloy’ in Rudrapur, Bangladesh, 2017-2020. The project is the winner of the OBEL AWARD 2020.

22. OKTOBER 2020

Surrounded by lush green paddy fields in northern Bangladesh stands a curving building in two storeys built out of mud and bamboo. The mud walls curve and dance, and a big ramp winds up to the first floor. Below the ramp are caves that provide either a fun place to move around or a quiet space if you need for a moment to feel protected and embraced.

The building is called Anandaloy, which means The Place of Deep Joy in the local dialect of Bangla/Bengali.

German architect Anna Heringer is behind the unconventional, multifunctional building that hosts a therapy centre for people with disabilities on the ground floor and a textile studio on the top floor producing fair fashion and art.

Celebrating diversity and inclusion

“What I want to transmit with this building is that there is a lot of beauty in not following the typical standard pattern,” Anna Heringer explains.

“Anandaloy does not follow a simple rectangular layout. Rather, the building is dancing, and dancing with it is the ramp that follows it around. That ramp is essential, because it is the symbol of inclusion. It is the only ramp in the area, and as the most predominant thing about the building, it triggers a lot of questions. In that way, the architecture itself raises awareness of the importance of including everyone. Diversity is something beautiful and something to celebrate,” she adds.


Read the full article:

Architecture in Favour of Life at obelaward.org


Fund under overfladen

Fotokreditering: Københavns Museum

Forud for PAPIRØENs transformation til et nyt, levende bykvarter har arkæologer fra Københavns Museum undersøgt den 300 år gamle ø, bevæbnet med skovle, graveskeer og pensler.

19. marts 2020

De første boringer viste spor efter stenalder, og der kan gemme sig en boplads fra før havstigningerne på havbunden under øen. De mange lag under den kunstige ø fortæller i det hele taget en historie om hele byens udviklling, og om hvordan mennesker gennem flere hundrede år har levet deres liv. Øen er nemlig opbygget delvist af affald fra den omkringliggende by, som rummer stor viden om forbrug og husholdning i slutningen af 1600-tallet og starten af 1700-tallet.

De nye fund, der i århundreder har gemt sig under overfladen på PAPIRØEN, tæller blandt andet en blysoldat, en tommestok, en skifferplade med en tegning på og et drikkeglas.

Derudover har arkæologerne fundet rester fra adskillige byggerier på øen, som giver en bedre forståelse af, hvordan selve øen er blevet udbygget. En række trækonstruktioner menes f.eks. at være de skibsbeddinger, hvor store skibe har kunnet vippes på siden i forbindelse med vedligehold og reparation af bund og køl. Konstruktionerne kunne arkæologerne genkende fra en skydeskive, der hang på museet på Vesterbrogade. Øen blev oprindelig bygget til at huse et privat skibsværft, så trækonstruktionerne stammer sandsynligvis fra øens allerførste år.


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Fund under overfladen på papiroeen.dk.

Ny viden om indeklima skal forebygge alvorlige sygdomme

Fotokreditering: Peter Troest

Unikke datasæt giver to forskningshold mulighed for at sætte tal på, hvordan boligforhold påvirker danskernes sundhed.

27. FEBRUAR 2020

Forhøjet blodtryk, udvikling af lungekræft eller astma og tidlig død. Det er nogle af de helbredsmæssige konsekvenser af dårligt indeklima, som er påvist i flere danske og udenlandske forskningsundersøgelser i de seneste år, bl.a. i rapporten ‘Promoting actions for healthy indoor air’ fra EU-Kommissionen.

Langt størstedelen af partikelforureningen i københavnske boliger skyldes beboernes egne aktiviteter såsom madlavning og stearinlys. Dermed kan partikler fra indendørs kilder i hjemmet have større betydning end partiklerne i udeluften, som ifølge beregninger hvert år koster 3.750 danskere livet. Eftersom danskerne opholder sig inden døre i 80-90 procent af tiden – heraf cirka to tredjedele af tiden i egen bolig – har indeklimaet i hjemmet potentielt en meget stor betydning for folkesundheden.

Alligevel er indeklimafaktorer ikke med i myndighedernes officielle oversigter over risici og sygdom i Danmark. Én af årsagerne er, at der mangler et solidt talgrundlag. Det talgrundlag vil Realdania gerne være med til at etablere med en bevilling til to omfattende nye befolkningsundersøgelser blandt børn og voksne, som kobler bolig og sundhed.

Barnealderen – grundlaget for et langt liv

Børn er særligt følsomme over for ydre påvirkninger på grund af deres konstante vækst både organmæssigt og mentalt. Samtidig er børn i en vigtig udvikling, der lægger grundstenen for deres helbredsniveau resten af livet.

“Det vi omgiver os med – især når vi er børn – betyder noget for vores sundhed på lang sigt. Derfor er vi rigtig glade for, at vi med bevillingen fra Realdania har fået mulighed for at undersøge, hvad boligens kvalitet betyder for f.eks. hyppighed af infektioner, astma og allergi,” siger professor fra Københavns Universitet Anne-Marie Nybo Andersen, som står i spidsen for den nye undersøgelse ‘Indeklima og helbred hos børn i en stor befolkningsundersøgelse – En multidimensional analyse baseret på Bedre Sundhed i Generationer’.

“Meget forskning tyder på, at det afgørende for, om vi bliver syge, når vi bliver midaldrende, er, hvordan vi har levet i barndommen. Man kan groft sige, at vi bruger de første 25 år af livet på at vokse og blive sunde og stærke, og herefter begynder det at gå ned ad bakke. Derfor prøver vi at kortlægge menneskers sundhedstilstand, mens de vokser og udvikler sig til deres højeste niveau af sundhed, fordi det også er udgangspunktet for det forfald, der sker fra 25-årsalderen,” forklarer hun.


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Ny viden om indeklima skal forebygge alvorlige sygdomme’ på dagensbyggeri.dk

Lyden af en bygning

Fotokreditering: Finnur Pind/DTU/Henning Larsen Architects

Virtual reality og robotfabrikerede tegl skal hjælpe arkitekter og ingeniører til at bygge rum og bygninger, der lyder godt.

28. december 2019

To forskere har i hvert deres projekt udviklet to nye redskaber, der kan hjælpe arkitekter og ingeniører til at arbejde mere direkte med og påvirke lyd tidligt i designprocessen. Redskaberne, som er udviklet med støtte fra Realdania, bygger på bl.a. virtual reality, avanceret lydsimulering, computerspilsteknologi og robotfabrikation.

Udskældte skumpaneler

Støj er skyld i både ringere produktivitet på arbejdspladser, lavere indlæring i skolerne og generelt forringet livskvalitet i det byggede miljø. De akustiske udfordringer bliver kun forværret af, at man i dag ofte designer åbne, fleksible rum. Derfor er der behov for, at arkitekter designer for og med lyd.

I dag bliver lyd dog sjældent tænkt ind i nye bygninger udover i forbindelse med koncerthuse, selvom lydniveau og -kvalitet er mindst lige så vigtigt i vores hverdagsrum- og bygninger.

“Man laver ekstremt dyre one-off-løsninger i koncerthuse, der giver fantastisk flotte lydmæssige og visuelle udtryk. Men i skoler og på kontorer sætter man ofte bare paneler op, som absorberer lyden – typisk et skumpanel med tekstilovertræk, som bliver applikeret efterfølgende som overfladedekoration,” fortæller arkitekt og ingeniør Isak Worre Foged, partner i AREA og lektor ved Aalborg Universitet.

Skumpanelerne er æstetisk uinspirerede, mener han, men ofte også ineffektive til formålet. Det gælder nemlig ikke kun om at absorbere lyden, hvis man vil skabe et godt akustisk miljø.

“Når man absorberer, trækker man bare lyden ud af rummet. Det kan nogle gange være problematisk. I et undervisningsmiljø med absorption er det f.eks. fint at sidde på forreste række, men dem på de bagerste rækker får hovedsageligt lyden fra vægge og overflader, og hvis lyden bliver absorberet dér, bliver den meget kraftigt reduceret. Så i den slags tilfælde vil man gerne både absorbere men også reflektere lyden strategisk til bestemte områder,” forklarer han.


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Lyden af en bygning på dagensbyggeri.dk

Luftkvalitet per smartphone på Bornholms skoler

Fotokreditering: Emilie Koefoed

Sensorer og smart teknologi styrer luftkvaliteten på alle skoler på Bornholm. Erfaringerne kan inspirere de mange kommuner, som landet over er begyndt at arbejde langsigtet med indeklima.

15. oktober 2019

I et klasselokale med 28 elever skal der ifølge lovgivningen 1.000 m3 frisk luft til i timen for at sikre et godt indeklima. Det svarer til omkring én million liter frisk luft i timen. Så stor luftudskiftning er svært at opnå med almindelig udluftning, især om vinteren, hvor det giver træk, og derfor anbefaler mange indeklimaeksperter at installere mekanisk ventilation.

Anlæggene koster dog mange penge, og alt for ofte får man ikke den fulde effekt fra anlæggene pga. mangelfuld kalibrering, mangelfuld styring, eller måske har brugerne gjort noget, som har overstyret systemet, så det står forkert indstillet.

Bornholm, som er langt fremme på området, har imidlertid gode erfaringer med at installere nye, lydløse, ventilationsanlæg på alle kommunens skoler. Deres indsats er nøje koordineret og gør stor brug af sensorer og smart teknologi.

Den hovedansvarlige for indsatsen er VVS-tekniker og tidligere ansat i kommunens ejendomsservice Flemming Johansen, som har fået tilnavnet ‘Indeklimakrigeren’. Han har de seneste år sammen med sit team fået implementeret ventilation på alle skoler, der kan overvåges og styres via laptop eller smartphone.


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Luftkvalitet per smartphone på Bornholms skoler på bygge-anlaegsavisen.dk.

På ski gennem Amager Bakkes affaldsdamp

Fotokreditering: Emilie Koefoed

Magasinet KBHs udsendte havner i plantebedet på vej ned ad CopenHill.

11. oktober 2019

Børsterne knaser højlydt under skiene — selvom begge dele er smurt med silikone, for at det hele glider lettere. Både lyden og følelsen af de grønne plastikbørster, der gør det ud for sne, minder om en let iset piste, som man kender dem fra fjerne egnes skiløjper.

Den 9.000 m² store tagpark med alpint skiområde CopenHill åbnede i weekenden og har med ét givet den flade hovedstad nye højder. På toppen af forbrændingsanlægget Amager Ressource Center, hævet 85 meter over byen, kan københavnerne dyrke skiløb og anden bjergsport hele året rundt. Herlighederne er designet af BIG og SLA.

150 kroner i timen giver adgang til de alpine storbyfornøjelser. Med et årskort kan man stå, så meget man vil, og leje af udstyr klares i butikken for foden af bjerget. Der kan være max. 150 skiløbere af gangen på bakken, så man skal booke i forvejen.

»De siger, at første tur er lidt shaky, men allerede anden gang, så er den der: BOM! Megafedt!« fortæller administrationschef for Danmarks Skiforbund Kenneth Bøggild med lys i øjnene.


Læs hele artiklen:

På ski gennem Amager Bakkes affaldsdamp på magasinetkbh.dk.