From South Korea Almost 97% Food-Waste Recycling Rate to Better City Systems: Why Measurement, Fair Incentives and Prevention Matter Pass Smart Bin Alone

Editorial illustration: measure, prevent and recover food waste — Editorial illustration, not a photograph of events.

Introduction: Wetin the 97% Figure Really Dey Measure?

Environmental number wey big fit inspire action, but only if we understand wetin dem use calculate am. South Korea achievement wey people dey report widely na food-waste recycling rate wey near 97%, no be proof say the country stop to generate 97% of im food waste. This difference matter. To manage food scraps after people throw dem away and to prevent food wey person fit eat from wasting na related goals, but dem no be the same result. The useful lesson for cities and businesses na to build complete system around behaviour, collection, processing and honest measurement.

1. Separate Recycling Performance From Waste Prevention

Reports wey cite South Korea environment ministry put the country food-waste recycling rate at 96.8% for 2023. That one describe how dem manage waste wey dem generate. E no mean say households produce 96.8% less waste, or say almost all material wey people throw away turn to electricity. Food waste wey dem recover fit follow different routes, including animal feed, compost and biogas. Any claim about prevention need im own baseline and measurements wey person fit compare for waste generated. ^[1]

2. Make Feedback Clear Where People Dey Throw Waste Away

For the apartment-bin model wey the reports describe, residents identify themselves with card, put food scraps inside weighing unit and receive charge wey connect to the amount dem throw away. RFID mean radio-frequency identification: e connect disposal event to account. The weighing and billing system make household cost wey normally hide become visible. The policy lesson na the feedback loop, no be the label 'smart'. Clear instructions, equipment wey person fit depend on and convenient access dey necessary if residents go use the service consistently. ^[1]^[2]

3. Read the Government Table, Including Im Footnote

The official system table wey cover up to 2025 list 186 registered local governments, about 8.61 million households and 151,934 RFID weighing devices. E still warn clearly say the device figures na registrations wey dem record by year, no be number of machines wey dey work now. These na cumulative figures for adoption of the system. Dem no be live equipment inventory, recycling rate or national waste-reduction percentage. To read that footnote go stop convincing number from turning to wrong claim. ^[2]

4. Bin Dey Work Only When the Rest of the System Dey Work

Separate collection need destination wey fit process the material safely. Composting use biological breakdown wey need oxygen; anaerobic digestion break down organic material without oxygen and fit produce biogas. None of the two routes make contamination, transport, maintenance or operating costs disappear. Environmental guidance rank prevention of wasted food among the options wey dem prefer most, above treatment of waste after e don exist. Recovery dey useful, but e no suppose become excuse for excess production or buying wey person fit avoid. ^[3]

5. New York Show Why Access and Participation Matter

New York City current guidance for residents say curbside composting dey available for the whole city, dem dey collect am every week on recycling day, and people must separate food scraps and other organic materials wey dem accept. But to make service available different from to make every household participate correctly. Clear labels, secure lids, practical storage and support from building managers matter. Another city suppose adapt the service to im housing, collection capacity and residents needs, instead of to assume say buying the same equipment go reproduce South Korea results. ^[4]

6. Measure Success Before You Choose More Technology

The global scale big well: the 2024 Food Waste Index estimate 1.05 billion tonnes of food waste for 2022 across retail, food service and households, including parts wey person no fit eat. Na estimate for that particular past year, no be count for 2026. For local pilot, I go track waste generated per household or meal, contamination, participation, collection reliability, total operating cost and where recovered material dey go. Report prevention and recycling separately. Still assess affordability, accessibility and how dem handle household-level data before expanding the scheme. These na design recommendations, no be claim say every existing system don already meet dem. ^[5]

Conclusion: Copy the Way to Think About the Whole System, No Be Only Hardware

South Korea experience get value because e join rules, incentives, infrastructure and everyday habits together. The target suppose be less food waste wey person fit avoid and better management of wetin remain. High recycling rate deserve recognition, but e no prove say waste generation don almost disappear. Start with correct definitions, make participation practical and publish results wey people fit check. The best technology na technology wey help public service wey dem design well to work.

References and Further Reading

By Keshavan Thiagaraja

Private AI Model Developer & AI Security Consultant - Helping SMEs and Enterprises Build Secure AI Solutions, Sydney, Australia

B.Sc. (Computer Science, Mathematics and Statistics)

M.Sc. (Information Technology)

E-Commerce Professional