Isabelle Perrein aims to make Montpellier a model of cleanliness and circular economy by ending current unsanitary conditions.

• Adapted Cleaning Frequency: Passage frequency of cleaning services reviewed according to each neighborhood's life.
• Modern Sorting Columns: Aesthetic and functional equipment with penalties for littering.
• Clean Incinerator for Ultimate Waste: A cost-effective and environmentally responsible facility.
• Neighborhood Sorting Managers: Staff dedicated to education and coordination of local sorting.
• Massive Biowaste Collection: Generalized composting to reduce trash volume.
• Greywater Cleaning: Using recycled water for street cleaning and irrigation.
• Data Center Heat Recovery: Using heat from local data centers for the city's heating network.