2026 4th International Conference on Green Building (ICoGB 2026) will be held during April 24-26, 2026 in Shanghai, China. With researchers, scientists, engineers, and scholars as its contributors, ICoGB presents an open forum aiming to raise green building awareness, spur standards, and develop practical solutions for sustainable buildings by engaging the public, the industry, and the government in the world. We human beings anticipated a promising future with clean water and a clear sky. The illustrated future features better-performing buildings where energy, water, and materials are used sustainably.