I’d treat overfilled urban trash cans as a system problem, not just a resident behavior problem. If people are cramming bags into bins, the bins may be too small, emptied too rarely, badly placed, or confusing to use. Start with a quick bin audit on the busiest blocks: how full are they on which days, what’s inside, and when do overflows happen? That tells you whether you need bigger bins, more frequent pickups, or a different location.
Then make the right behavior easy. Add clear, multilingual signage with simple icons—what goes in, what stays out, and where to put bulky items. If recycling or public bins are hard to find, people will use the nearest trash can as a catch-all. Consider locking or reducing access to overloaded bins and adding extra capacity only during peak times, like weekends or market days.
Communication matters, but it needs to be friendly. Door hangers, building-manager emails, and short community meetings work better than shaming signs. Ask residents and shop owners what they’re seeing; they often know the exact corner where overflow starts. You can also recruit a few “bin champions” to report hotspots and remind neighbors about collection days.
Finally, track results. Do weekly checks, log overflow reports, and adjust pickup schedules based on data. Pair education with practical fixes, and over time residents will stop treating the can as a bottomless pit—because the system will no longer force them to.