Assessment of Climate Vulnerability through the Lens of National Policy and Legislation Documents - Implications for Vulnerability Reduction in the Philippines

The impacts of climate change in the Philippines are intensifying, driven by recurrent tropical cyclones, sea-level rise, and extreme rainfall that disproportionately affect coastal communities, indigenous peoples, and low-income populations. While the Philippines has enacted an expanding body of national climate policies and legislation over three decades, it remains unclear whether these instruments are collectively sufficient to reduce climate vulnerability and advance meaningful adaptation. This study addresses that gap by systematically assessing 41 national policy and legislation documents (1991–2025) through a multidimensional framework grounded in IPCC AR6 and UNFCCC guidelines, scoring each across 17 criteria in four dimensions: Climate Vulnerability Reduction, Climate Action, Sustainable Development Synergy, and Legal and Institutional Effectiveness. Findings confirm that the policy landscape has significantly matured with contemporary frameworks (2020s) outperform earlier instruments by 33%, with Legal and Institutional Effectiveness scoring the highest (2.11/3.0), affirming the foundational strength of binding Republic Acts and Climate Change Commission coordination. However, the assessment reveals that existing policies, taken together, are insufficient for comprehensive vulnerability reduction: Climate Action scores lowest (1.71/3.0), with critical deficits in greenhouse gas targets, nature-based solutions, and just transition provisions, while gender mainstreaming and subnational implementation remain structurally weak. Correlation analysis identified strong institutional coherence among legal enforceability, policy coherence, and monitoring systems but revealed fragmentation between mitigation targets and social equity. This study demonstrates how strong legal foundations and institutional coherence can be achieved even under resource constraints, while underscoring the persistent challenge of translating policy ambitions into equitable, locally-responsive climate action.