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Clean & sustainable cities

A monitoring tool to help cities decrease littering, water use and co2 emissions

March 2021
Gallery Clean & sustainable cities 1
Gallery Clean & sustainable cities 1


The solution supports cities in managing their sanitation department, by providing an accurate and real time monitoring of urban cleanliness. A clean city is more attractive and healthy. Less litter will end-up in the environment. Cleaning resources are engaged when and where necessary, based on the cleanliness level to be achieved, savings in energy, water and costs will be accrued.

  • /
Label Date March 30, 2021
From Switzerland
Maturity stage Small scale commercialization
Looking For Network, New clients, Funding

Implementation Stories

Clean & sustainable cities by Cortexia
Implemented by City of Geneva in Geneva (Switzerland) in 2019

The City of Geneva in Switzerland implemented the Solution in 2019 for the cigarette butt littering prevention campaign “Petit Voyou” (incl. a study aimed at and measuring, in the field, the litter leakage from the urban area into the environment) and extended it to urban sanitation management afterwards. A further project named “Geneva Clean City Lab” was led on one of Geneva’s seven districts to demonstrate quantifiable results.


-20% operating hours of urban cleaning vehicles


The environmental benefits

  • A controlled quality of urban cleanliness, measured by an objective index between 0 (clean) and 5 (dirty)
  • 10% to 20% yearly savings of CO2 emissions, ie 0,5 to 1,5 million tons for European cities and potentially 35 less use of water
  • -50 % cigarette butts litter by 2025 by optimizing anti-littering strategies and monitoring litter reductions policies

The Financial benefits

  • 10% yearly savings in urban cleaning, representing 5 € / inhabitant / year for an investment lower than 1 €
  • An attractive and safe city, for the inhabitants, the economy and tourism

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile


Our AI-powered litter monitoring solution helps cities manage cleanliness, save resources and preserve the environment.

View company profile Solution website
Headquarters 1618 Châtel-Saint-Denis, Switzerland

Networking Partner


As an expert for the innovation scene in energy and environmental technologies, CleantechAlps (Sion, Switzerland) is a hub for the cleantech ecosystem, connecting its stakeholders with relevant partners.

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Solutions Associated 65

The Enterprise Europe Network

The Enterprise Europe Network helps businesses innovate and grow on an international scale. It is the world’s largest support network for small and medium-sized enterprises (SMEs) with international ambitions.

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Solutions Associated 39
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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Cortexia has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.