Toulouse startup SGEvT aims to fight unauthorized deposits with satellites

The illegal landfills that flourish here and there have over the years become a major problem for communities. According to an Ademe* study, illegal eviction is a concern for 90% of elected officials.

The issue is all the more a source of tension for local authorities as it has a considerable and direct impact on the quality of life of the inhabitants. In addition to the degradation of landscapes, illegal discharges pose a danger to public health and the environment due to the pollution of the soil and groundwater they generate.

It is in particular to combat this scourge that the Toulouse startup SGEvT (General Society for the Evaluation of Territories) has developed a remote sensing solution for these illegal locations. Created in 2018 by Nancy Oliveto Erviti, a lawyer specializing in urban planning, and Arnaud André, a civil engineer, SGEvT produces information to help municipalities make planning decisions with a view to sustainable development. For this, the startup relies on artificial intelligence and satellite images.

From the beginning, we collaborated with Cnes to use Pléiades satellites. Satellite images combined with algorithms allow our solution to be 90% reliable, but also go beyond detecting illegal deposits. Our services detect unauthorized dumping and also classify landfills according to vulnerability criteria, which makes it possible to prioritize locations. These dumps are often positioned in inconspicuous places due to their illegality. Our solution also makes it possible to support agents working in the field to find the most efficient route to reach these famous dumps. We can also see how quickly these discharges appear. This prediction increases the chances of identifying those responsible “, explains Arnaud André.

A platform dedicated to multiple solutions

In addition to the thorny issue of illegal eviction, SGEvT manages geolocatable data in all areas related to land use planning or the image of mobility. In this theme, the company works for the urban community of Sicoval (36 municipalities in the southeast of Toulouse) on the issue of smooth mobility.

The agglomeration community reflects on the challenges of smooth mobility. The idea here is to better understand the habits and routes of residents who travel by bicycle. For this, we equipped the laptops of 130 volunteers to collect information about their journeys. », notes Arnaud André.

The Toulouse-based company also operates in Aude, where a collaboration with the Departmental Directorate of the Marine Territories of Aude (DDTM) has been established. The purpose of this collaboration? Analyze the impacts of floods on the territory in order to make it less vulnerable to this type of phenomenon, again based on satellite images and the analysis of a whole battery of data. This ongoing project is co-funded by CNES and the European program Copernicus Climate Change Service, and should then be replicated in other territories.

We developed a tool and then replicated the process. Today more than a hundred tools in our services are reproducible, we know how to develop and industrialize them. “says the co-founder of SGEvT.

Tools that the company makes available to communities within a dedicated platform called TEREvAL. Based on a SaaS model, TEREVAL allows municipalities adhering to the site to benefit from a very detailed analysis of territorial data.

In the future, this company, which has a team of 15 people made up of developers, data scientists and lawyers, wants to make TEREval an open platform to host data from other companies that are also working on sustainability issues.

*Report on the characterization of the garbage problem, published in February 2019