Water, sanitation, and hygiene (WASH) services are fundamental to public health and well-being, yet they face significant challenges due to climate change. In Bangladesh, these challenges are compounded by the country’s geographic vulnerability to climate-related hazards such as floods, cyclones, and sea-level rise. Bangladesh’s flat, low-lying topography, high population density, and reliance on agriculture exacerbate its susceptibility to climate-induced disasters, threatening vital sectors including water resources and infrastructure. Integrating climate resilience into WASH strategies is crucial for mitigating these impacts and ensuring sustainable development. This paper reviews national policies and strategies aimed at enhancing climate resilience in the WASH sector in Bangladesh, highlighting successful initiatives and identifying areas where further integration is necessary. The analysis reveals that Bangladesh has developed comprehensive policy frameworks, such as the Bangladesh Climate Change Strategy and Action Plan (BCCSAP) and the National Adaptation Programme of Action (NAPA), which emphasize community-based adaptation and prioritize vulnerable populations. Despite these efforts, significant gaps exist in policy implementation, particularly concerning the alignment of financial resources with strategic objectives. The Bangladesh Climate Change Trust Fund (BCCTF) has yet to fund specific WASH-related projects, highlighting a disconnect between policy intentions and practical outcomes. Institutional coordination challenges persist, with inadequate communication among government agencies responsible for WASH and climate change. However, several successful initiatives demonstrate effective integration of climate resilience into WASH services. These include UNICEF’s climate-resilient sanitation programme, which has improved access to sanitation in flood-prone areas, and community-driven approaches that leverage local knowledge and traditional practices to enhance resilience. The study employs a qualitative research approach, systematically reviewing national policy documents, strategic plans, and relevant literature. The analytical framework evaluates policy coherence, integration of climate resilience, implementation mechanisms, and stakeholder engagement. Evaluation criteria include comprehensiveness, specificity, adaptability, and effectiveness of policies in addressing climate change impacts on WASH services. Key challenges identified include policy and financing disconnects, inadequate recognition of vulnerable areas, lack of updated policies, governance and implementation gaps, over-reliance on technological solutions, and the need for localized research and data. Addressing these challenges requires a multifaceted approach that includes updating policies, enhancing governance structures, ensuring adequate financing, promoting community engagement, and conducting localized research.
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