About Exhibition Green Building Expo Osaka 2026 will be held from 26th - 28th August 2026 at INTEX Osaka, Japan. This is an annual trade fair for the green building industry. The expo will showcase the latest products, technologies, and services for green buildings, including energy-efficient materials, water conservation systems, and sustainable building design. It is a great opportunity to learn about the latest trends in green building, network with industry professionals, and find solutions for your green building projects.