The second day witnessed the continuation of the activities of the Sixth International Environmental Conference “Climate Changes and Sustainable Development”, which was organized by the Faculty of Science at Damietta University, which will be held from 3-5 October 2022. Today’s activities started with the attendance of Professor Dr. El-Sayed Mohamad Dadour, President of the University, the plenary session of the conference, in which Professor Dr. Yasser Hassan Ibrahim, Professor of Air Pollution Chemistry, the National Research Center and Secretary of the Permanent Scientific Committee for Promotion, entitled “Climate Changes and Their Various Impact on Environment and Energy” lectured. The second day included four scientific sessions divided into two periods, including a session for the second day by Dr. Ahmed Gamal Yahya, Director of Environmental Affairs at the Holding Company for Drinking Water and Wastewater in Cairo, a lecture entitled “National efforts to preserve biodiversity and study sewage oxidation ponds as a natural habitat for migratory birds.”