The Faculty of Science, in collaboration with the Faculty of Engineering, at Beirut Arab University-Tripoli organised a scientific day entitled "Earth Day: Problems and Solutions". The event was attended by BAU Vice President for Tripoli Branch Professor Khaled Baghdady, Deputy Secretary General for Tripoli Branch Mr. Mohammad Hammoud, Mr. Sami Hashem representing HATECO, faculty directors, academic staff members and a crowd of interested students. The event started with the Lebanese and BAU Anthems. Student Sara Mawaad from the Faculty of Science gave an opening speech followed by a dialogue with Dr. Maher Jouneid from the Faculty of Science. Then, Professor Jalal Halwani, Director of the Environment and Water Laboratories and Head of Health and Environment Department at the Lebanese University presented the measures taken to protect the Palm Islands Reserve from pollution. Dr. Safaa Baydoun, Director of the Research Center for Environment and Development at BAU-Bekaa noted the current challenges facing the natural resources in the Bekaa Region. Dr. Rami Awaini from the Faculty of Science talked about the innovative environmental techniques and Dr. Yasser Al Samadouni from the Faculty of Engineering gave a lecture on Sea Water Desalination System. Dr. Mohammad Jawhari from the Faculty of Engineering as well gave a lecture on Solid Waste Management System. Students Rayan Farha and Sara Mobayed from the Faculty of Science concluded the event with their lecture on the factors that lead to an increase in the number of the hookah-smoking adolescents in Northern Lebanon. The event included an exhibition of students’ projects and was concluded with the distribution of shields to the lecturers and prizes for winning projects.