Bogotá · Next Generation Digital Action 2026

ReNeu logo: orange nodes joined in a network

The Synaptic Network for Latent Stuff

An urban network that reconnects discarded stuff with the people, places, routes and processes that can give it a next destination. Reconnecting objects, people, places and value.

Urban innovationCircular economyChallenge 6Team YA-CO-1
See why Bogotá needs it
WASTE
Illustration of a worn red armchair with a torn seat and a broken leg The same armchair repaired, upright with new yellow legs
Repair Exchange Transform Recover

The challenge

What happens when we call somethingwaste?

The word changes how we treat the thing. Once an object is labelled waste, nobody looks at who could still use it, whether it could be repaired, or what its materials are worth.

Often the object has not lost its value. It has lost its connections. ReNeu starts from a different question: what if it is not waste yet, but latent stuff?

The real problem

Bogotá does not have a waste problem.Bogotá has a connection problem.

Objects with value still end up on sidewalks, empty lots and public space. Residents who want to get rid of them, repairers, people who need them, informal recyclers and collection routes all exist in the same city. They simply do not meet.

≈6,700tonnes of waste generated in the city every day
≈1,089tonnes collected daily from illegal dumping hotspots
478active illegal dumping hotspots at the end of 2025
33critical points
211Ecopoints

Figures as reported in the ReNeu project blog for Bogotá.

About 1 in 6 tonnes of the city's daily waste is picked up from illegal dumping hotspots.

≈1,089 t from hotspots≈6,700 t generated per day

One dot for each of the 478 active illegal dumping hotspots at the end of 2025.

Pile of dumped rubbish and debris at the edge of a road in Bogotá Discarded sofa and furniture lying on bare ground

Discarded furniture in public space. Photo source cited in the pitch deck: UAESP Instagram.

Where the system breaks

A sofa moves from home, to street, to landfill.

Somewhere along the way it gets called waste. Its value did not disappear at that moment. Its connection to the system did. Four structural failures explain why.

HOME STREET LANDFILL collect transport · dispose Is it still useful? no step asks this question
FAILURE 01

Collection that misses people's routines

Mobile Ecopoints run on fixed schedules that do not match how a neighbourhood actually lives.

BosaA mixed-use locality with strong commuting patterns. Residents leave in the morning and return in the evening, so the Ecopoint often arrives while most of them are at work.
FAILURE 02

Informal disposal is easier

An informal truck takes one phone call and a small payment, with no further responsibility. The formal route means schedules, transport, drop-off points and finding reuse channels. Convenience, more than lack of awareness, drives illegal dumping.

FAILURE 03

Stuff becomes waste too early

A sofa that needs a minor repair, a reusable door, an appliance with working parts. All of them are treated as waste before the end of their useful life, because the system is built for removal, not evaluation.

FAILURE 04

A single path

Collect, transport, dispose. The model is linear, and no step in it asks whether the object could still be useful to someone.

Illustrations of the situations described by the team.

The concept

Latent stuff

Stuff that has been physically disconnected from its use but still holds potential value. Light it up and the label changes. The stuff is not the problem; the missing connections around it are.

Move your cursor or finger to light it up
Discarded armchair, sofa sections, a cushion, a television and a wooden base lying in a field ArmchairFunctional valueThe frame is still standingTelevisionMaterial valueGlass, metal and electronicsSofa sectionEconomic valueFittings and parts can be resoldCushionSocial valueSomeone nearby could use it todayWooden baseTransformative valueCould become a bench or a shelfPlastic trayMaterial valuePlastic back into supply chains
Pile of tyres, timber, textiles and debris dumped beside a road in Bogotá TyresTransformative valueA new life as planters or flooringTimberMaterial valueWood for repairs and new productsTextilesSocial valueClothing and fabric to pass onBoards and cratesEconomic valueSellable to material buyers
WASTE

Discarded objects in public space. Photo source cited in the pitch deck: UAESP Instagram. Value notes are examples of what the network would look for.

A chair can become

Another chair, a component, a material or a new product. Value comes in five kinds:

FunctionalMaterialSocialEconomicTransformative

How it works

Nature already solved it.

A single neuron can do very little. Connected neurons create pathways. ReNeu applies the same logic to the city: it links latent stuff with the people, places, mobility and processes that can activate its next destination.

Tap or click a neuron to make it fire.

NODELatent stuff, citizens, repairers, workshops, buyers
LINKAGEThe app and the routes that connect them
NETWORKReNeu: every link creates new possibilities
Latent stuffCitizenRepairerPhysical workshopMobile routeMaterial buyer

These are not three separate services. They are layers of one network, and information moves between them continuously.

Digital Node

First, understand the stuff.

A citizen registers an object in the ReNeu app. The system assesses its condition and points it toward the best available next destination.

The app works as an AI-enabled decision and coordination layer. It captures data about the object, evaluates its latent potential, connects the citizen with alternatives and feeds what it learns back into the network.

The app does not begin with disposal. It begins with possibility.

Destinations, in order of preference

  1. Repairbring it back to its original use
  2. Exchangepass it directly to someone who needs it
  3. Transformturn it into something new
  4. Recover materialsreturn wood, metal, plastic, glass or electronics to supply chains
  5. Responsible disposalonly once every alternative has been explored
ReNeu app home screen greeting the user, with options to find an object, submit an object, and a balance of Impact Credits
HomeFind or submit an object
App screen analysing a photo of an armchair, with progress steps for analysing the photo and identifying its components
AssessPhoto analysis of the object
App screen titled Here's what we found, identifying a pink armchair and listing its parts and condition
DiagnosisWhat the object is and what it can become
App market screen showing a bar stool available for exchange in Bosa
MarketObjects available for exchange
App screen showing 215 Impact Credits and a breakdown of how they were earned
Impact CreditsWhat each action earned

App screens designed by YA-CO-1. Proposed interface, not a released product.

Mobile Node

Then, connect the stuff to the city.

An AI spatial-intelligence layer decides where the network should reach, and turns that into routes that move with the city's rhythm.

Interfaces of the Mobile Node designed by YA-CO-1. The view switches on its own; tap a tab to choose.

It reads demand points and how they relate to one another, finds clusters and gaps, and generates routes that can change with location, time and frequency. Network generation (where connections should exist) is kept separate from street-level execution.

What it reads

Active hotspotsCritical pointsCitizen pickup requestsSpatial relationshipsHistorical patternsCoverage gapsInferred risk areasTimeFrequency

From points to routes

Eight moves, from scattered dots to named routes.

Hotspots, critical points and pickup requests are placed on the map.

Illustrative simulation of the process described by the team, not real city data.

How one request changes the map

A sofa can redraw a route.

A citizen interaction becomes network intelligence.

ReNeu app screen identifying a pink armchair
✓ Sofa registered
Route B-01 · priority ↑ · frequency adjusted
  1. Digital NodeA citizen registers a sofa
  2. RequestIt becomes a pickup request
  3. Mobile NodeIt lands on the map as a data point
  4. NetworkRoute, frequency and priority adjust

The 500-metre principle

From any point in the city, an active route within 500 metres.

Accessibility becomes part of what routes optimise for, next to distance, time and effort. Places outside the reach are flagged as inferred risk nodes: predicted gaps, not confirmed hotspots.

Routes people can recognise

Routes keep stable, locality-based names while the AI changes where, when, how often and with what priority they run.

B-01B-02B-03
Move over the map to test any spot

Simulated neighbourhood, about 4 km across. Move your cursor or finger over the map.

Physical Node

Finally, give the network a place to act.

Render of the ReNeu workshop unfolded on a paved lot beside a dumping site, empty The workshop with two informal recyclers at work The workshop with recyclers and two street vendors at small counters The workshop in full use: recyclers, vendors and residents bringing a red armchair up the ramp

Renders by YA-CO-1. The site stops being a dumping point and becomes a node in the network.

Deployable, adaptive urban infrastructure that brings together human expertise, AI-assisted tools and material-recovery capacity.

It does not simply receive waste. It activates potential.

Repair, exchange, transformation, disassembly, classification and material recovery happen in one place, alongside community participation and local economic activity.

Where should infrastructure go to meet citizens?

FirstCritical reported points
ThenHotspots, ranked by priority

The workshop is flexible enough to be deployed when participation is highest, such as weekends.

MobileRelocatableModularExpandableFoldable
Line drawings of the workshop module: a closed modular unit on a trailer, an expandable version with a second box sliding out, and a fully unfolded configuration with roof panels, side platforms and a ramp
Modular, expandable and foldable configurations.
Line drawings showing the workshop module towed by a car, loaded on a truck, and transported as a closed box
Relocatable: towed or carried by truck between sites.

Human expertise, supported by AI

Experienced workers stay at the centre. AI supports them with:

  • Diagnosis
  • Material identification
  • Repair recommendations
  • Tool selection
  • Transformation options
  • Recovery instructions

The team also mentions collaborative robotic assistance as a possibility.

What happens on arrival

Citizens return objectsRepairs happenMaterials are separatedItems are exchangedVendors and recyclers take partCitizens earn Impact Credits

A dumping point becomes a node in the network.

Value model

Value that comes back to the city.

Follow one sofa around the loop. What it is worth pays for the network, and the network pays citizens back for taking part.

1
Citizens bring latent stuffThrough the app or at a workshop
2
Repaired, exchanged or recoveredAt the Physical Node
3
Materials sold to private buyersWood, metal, plastics, glass, electronics
4
Revenue funds the networkOperation and citizen incentives
5
Impact Credits for citizensFor repairing, exchanging, donating, recovering
6
Redeemed in the cityTransMilenio rides, cultural access, community programmes

A citizen brings a sofa to the network

Learning loop

Every action teaches the network.

Each registration, diagnosis, pickup request, hotspot, route, repair, material recovery and community intervention produces data. That data refines how objects, people, places and processes are connected.

The more it is used, the better it gets at connecting.

The meaning of latent stuff

Disposal may still happen. Just not first.

Some stuff will still need to be thrown away. ReNeu only asks that this happen after every other possibility has been explored.

The system sees

Waste

One path. The sofa leaves, and its value leaves with it.

ReNeu sees

Latent stuff

Expected impact

What a synaptic city could change.

The Digital Node offers possibility, the Mobile Node spatial connection, the Physical Node a place where it becomes real. Every new connection creates more possibility.

Intended outcomes · proposal stage, not yet measured

Less sent to Doña Juana

Materials re-enter productive cycles instead of going to Bogotá's landfill.

Fewer dumping hotspots

Accessible alternatives make the 478 illegal dumping hotspots less attractive.

Objects live longer

A longer useful life for furniture, appliances and construction materials.

Repair costs less than dumping

Reuse becomes cheaper and easier than disposal, reversing the logic behind illegal dumping.

Materials recovered

Wood, metal, plastics, glass and electronics return to supply chains and generate revenue.

A culture of adaptation

From disposal-first to adaptation-first thinking.

ReNeu

Every object has a next destination.

ReNeu is not a network designed only to move waste. It is a network for latent stuff. Waste is not always an object without value; sometimes its potential has simply been disconnected. ReNeu reconnects it.

Portrait of María Angélica Miranda
María Angélica MirandaArchitecture
Illustrated portrait of Allemao Lacera Cervantes
Allemao Lacera CervantesBusiness Administration
Portrait of Pablo Luna Guzmán
Pablo Luna GuzmánComputer Science

Team YA-CO-1 · Next Generation Digital Action 2026, Challenge 6 · Academic partners: DTU Skylab, DTU Sustain and DTU Compute.