Case study of
#00086 Participatory cleanup movements that mobilise residents
Stockholm, Sweden
#00076
OngoingGlobal
Implementer
Erik Ahlström / Plogga
Timeline
Since Jan 1, 2016
Location
Stockholm, Sweden59.3293, 18.0686
Description
Plogging began in Stockholm around 2016 when Erik Ahlström started picking up litter during his commute, then founded Plogga to formalise the concept. Sharing sessions on social media drove organic, self-organised replication across more than 100 countries with no central funding. The model works by attaching litter-picking to an existing jogging routine, reducing the activation barrier to participation.
Metrics
2Estimated daily participants worldwide~2 million
Countries with active plogging100+
Lessons learned
- Attaching litter-picking to an existing routine (jogging) lowered the barrier and made participation habitual — replicators should identify a pre-existing local activity to pair cleanups with rather than asking for standalone effort.
- The movement spread organically via social media without central funding or coordination, meaning a replicator needs a social-sharing hook more than an organisational budget.
- Durability comes from participants self-organising rather than depending on recurring events — designing for self-organisation from the start sustains the movement beyond the founder.
Documented Jun 26, 2026