2026 16th International Conference on Environmental Engineering and Applications (ICEEA 2026) is going to be held on May 29-31, 2026 in Barcelona, Spain. The ICEEA conference series have been held successfully in Shanghai, Dubai, Singapore, Nottingham, Chengdu, Kuala Lumpur, Rome, Amsterdam, Prague, Madrid and Paris. ICEEA 2026 will provide a forum for researchers and practitioners in the field to share ideas, designs, and experiments. Participation from academia, industry and government is welcome.