Cultivating Eco-Urban Diplomacy through Urban Farming: Comparative Insights from Jakarta–Tokyo and Surabaya–Kitakyushu Sister Cities

Urban Farm DB summary

This study examined eco-urban diplomacy through urban farming and environmental horticulture in Jakarta-Tokyo and Surabaya-Kitakyushu sister-city partnerships. Jakarta-Tokyo collaboration promoted participatory urban farming and rooftop greening, raising Tokyo's vegetable self-sufficiency from 4.27% to a potential 11.73%. Surabaya-Kitakyushu cooperation achieved a threefold mangrove expansion and 20% waste reduction, but financial constraints, communication gaps, and land insecurity persist, risking exclusion of marginalized groups.