The University of Technology and Applied Sciences (UTAS), Suhar, Oman, is delighted to host the Third International Conference on Environmental Science and Engineering for Sustainable Development (ESESD 2026), themed “AI & Emerging Technologies for a Net-Zero Future“. Building on the success of the inaugural event in March 2022 with 130 attendees from 13 countries and the second edition in March 2024, ESESD 2026 will provide a premier platform for exchanging knowledge and findings in theory, methodology, and applications. The conference will bring together academic and industrial researchers to explore innovative, sustainable solutions using scientific principles and cutting-edge technologies. Participants are invited to submit articles highlighting research results, projects, surveys, and industrial experiences for oral and poster presentations.