🌐EnglishEnglishEspañolPolskiPortuguêsالعربيةفارسی中文日本語EntityQ7900131· pop 5· linked from 316 articlesurban metabolismdescription and analysis of the flows of materials and energy within citiesAvailable in 5 languagesEspañolالعربيةPolskiفارسیvia Wikidata sitelinks · CC0ConnectionsenergyEntityenvironmental humanitiesEntityCategoriesEnvironmental impact assessmentEnvironmental social science conceptsIndustrial ecology