Strategic impact assessment is a systematic and prospective analytical framework employed within environmental and policy studies to evaluate the potential significant environmental, social, economic, and governance effects of proposed policies, plans, or programs. This methodological approach investigates the cumulative and synergistic impacts arising from strategic-level decisions, differentiating it from project-specific evaluations. Its key characteristics include its focus on higher-tier decision-making processes, its inherent multi-disciplinary nature, and its function in integrating sustainability considerations ex-ante into strategic planning. The significance of strategic impact assessment lies in its crucial role in informing robust policy development, anticipating broad-scale and long-term consequences, and fostering more sustainable and resilient societal outcomes.