Seoul has begun a 100-day “waste diet” experiment involving 354 residents, as city officials seek to demonstrate that the capital is taking responsibility for its own household trash and to spark a broader movement — amid criticism that it has been offloading its waste burden onto other regions. Under the program, 354 participants — matching the city’s per capita daily household waste generation of 354 grams — receive small electronic scales and are asked to weigh everything they throw away once a week over the course of the project, scheduled to run through June 10. They record the weight of general waste in volume‑based bags and seven types of recyclables — paper, plastic, vinyl, cans, glass bottles and polystyrene foam — and submit the data online. Participants are first asked to establish a baseline for their typical waste output, then try to cut that amount over 10 rounds and track how much they have reduced. Noh Su-im, director of the Seoul Metropolitan Government’s climate and environment policy division, said the campaign is meant to be a citizen-led scheme t