This article examines the historical evolution of participatory water management in coastal Bangladesh. Three major shifts are identified: first, from indigenous local systems managed by landlords to centralized government agencies in the 1960s; second, from top-down engineering solutions to small-scale projects and people’s participation in the 1970s and 1980s; and third, towards depoliticized community-based water management since the 1990s. While donor requirements for community participation in water projects have resulted in the creation of ‘depoliticized’ water management organizations, there are now increasing demands for involvement of politically elected local government institutions in water management by local communities

This article examines whether the use of climate change as a 'spice' in order to attract donor funding may instead exacerbate existing environmental problems. The World Bank's latest adaptation project in coastal Bangladesh aims to create higher and wider embankments against rising sea levels. This disregards a long history of how embankments, by stopping beneficial monsoon inundations, result in dying rivers and damaging floods that devastate rural livelihoods. Bangladeshi 'development brokers' must therefore balance their roles as project employees supporting embankments as adaptation, and as locals knowledgeable about their harmful effects. The article shows how donors, NGOs, consultants and government bodies with different agendas, priorities and knowledge backgrounds 'translate' climate change to legitimise their activities. It contributes to debates about the politics of environmental knowledge production by arguing that development brokerage helps explain why some climate adaptation projects increase environmental vulnerability, while others address local needs.

The Ganges-Brahmaputra (GB) delta is one of the most disaster-prone areas in the world due to a combination of high population density and exposure to tropical cyclones, floods, salinity intrusion and other hazards. Due to the complexity of natural deltaic processes and human influence on these processes, structural solutions like embankments are inadequate on their own for effective hazard mitigation. This article examines nature-based solutions (NbSs) as a complementary or alternative approach to managing hazards in the GB delta. We investigate the potential of NbS as a complementary and sustainable method for mitigating the impacts of coastal disaster risks, mainly cyclones and flooding. Using the emerging framework of NbS principles, we evaluate three existing approaches: tidal river management, mangrove afforestation, and oyster reef cultivation, all of which are actively being used to help reduce the impacts of coastal hazards. We also identify major challenges (socioeconomic, biophysical, governance and policy) that need to be overcome to allow broader application of the existing approaches by incorporating the NbS principles. In addition to addressing GB delta-specific challenges, our findings provide more widely applicable insights into the challenges of implementing NbS in deltaic environments globally.

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