The study assessed the environmental impact of port activities in Manila North Harbor Port and provided insights to contribute in the enhancement of environmental protection policies and practices in the Philippines. Employing descriptive-qualitative design, five (5) purposively selected participants from each department involved in port activities at Manila North Harbor were selected as participants of the study. Using a semi- structured questionnaire, interview was done to gather narrative data from the participants with thematic analysis as method in analyzing the data. The findings highlight that, activities such as oil transport, waste pollution, and ship deballasting have a significant detrimental effect on the environment, leading to pollution and degradation of the marine ecosystem. Conversely, activities like noise pollution, cargo handling, and passenger transportation have a relatively lesser impact. Participants observed these harmful practices persisting since the establishment of the port, resulting in negative alterations in water quality and weather conditions over time. Implementing stringent waste management regulations, reducing the use of hazardous substances, conducting regular water quality monitoring and ecosystem health assessments, fostering collaboration between port authorities, environmental agencies, and local communities, allocating resources for research and development, and utilizing the research findings for sustainable solutions are ways to lessen these impacts. Striking a balance between economic development and environmental conservation is crucial for the port's long-term prosperity and the preservation of the surrounding environment.

Keywords: maritime safety, casualty investigation, qualification, competency, training, enhancement