Proven, measured outcomeEvidence quality: LowDemonstration record — not a real case
Demonstration case: Scheduled kerbside waste collection with published timetable
Demonstration · Urban · City · tropical
A licensed operator publishes a fixed weekly collection timetable per street and residents report missed pickups.
Problem addressed
Irregular collection leading to illegal dumping.
Intervention / business model
Published timetables and a missed-pickup reporting line.
Measured outcomes
Illustrative only — replace with a real, sourced evaluation.
Failures & unintended consequences
Timetables slipped when trucks broke down.
Conditions required to adapt elsewhere
Requires local institutional buy-in and a named maintenance owner.