This document provides the indicative schedule of regular ASEAN meetings and activities in 2025 under the Environment and Haze sectors. It includes planned workshops, technical consultations, and high-level meetings convened by various ASEAN sectoral bodies and working groups, as well as engagements with Dialogue and Development Partners. The calendar excludes ad-hoc and project-specific meetings and highlights key regional events and observances relevant to the ASEAN environmental agenda.