About Exhibition EnvEx 2026 will be held from 20th - 22nd May 2026 at COEX Convention & Exhibition Center - COEX in Seoul, Korea South. This is the longest-running and most influential trade fair dedicated to the environmental industry. This premier event serves as a global gateway for the latest advancements in carbon-neutral technologies and ecological preservation. It features a comprehensive showcase ranging from traditional water and air treatment to cutting-edge hydrogen energy and carbon capture solutions (CCUS). By bringing together 260 world-class exhibitors, the fair fosters B2B networking, international technology exchange, and provides deep insights into the future of the green economy through specialized seminars and business matching programs.