An interactive workshop dedicated to preventing the re-pollution of urban natural areas, using the Hrazdan Gorge as a case study. Participants will analyze re-pollution risks, identify responsible parties, propose measures for a 1–3 year timeframe, explore collaboration formats, and outline ways to evaluate outcomes, developing a draft action plan for the gorge. Location: Workshop Room 1, Green Zone. Language: English. Registration: on-site or in advance on the Green Zone website.