Case study of
#00097 Open citizen-science litter mapping with geotagged, brand-level data
Global (origin San Francisco, USA)
#00110
OngoingGlobal
Implementer
Litterati
Location
Global (origin San Francisco, USA)37.7749, -122.4194
Description
Litterati is a litter-mapping app where users photograph and tag litter, including the brand of each item. The resulting brand-level data has been used in extended-producer-responsibility (EPR) discussions and legal proceedings, and cities use the geospatial data to target cleanup and prevention efforts.
Lessons learned
- Brand-level tagging produces data that can support accountability mechanisms such as EPR legislation and legal action against specific producers.
- City governments can use the geospatial litter data for evidence-based cleanup and prevention planning.
Sources
1Documented Jun 26, 2026