Sundarbans?

The Sundarbans is the world's largest contiguous mangrove forest, covering approximately 10,000 square kilometres across the Ganges-Brahmaputra delta in the Bay of Bengal. The forest straddles the border between the Indian state of West Bengal and Bangladesh, split nearly evenly between them: India administers roughly 4,260 square kilometres as the Sundarbans Tiger Reserve, while Bangladesh governs an area of similar extent within its Khulna Division. The name derives from the dominant plant species, the sundari tree (Heritiera fomes), which thrives in the brackish tidal waters where the great Indian rivers meet the sea.

The ecosystem is defined by extreme salinity, seasonal flooding, and the rhythms of the Bay of Bengal monsoon. High tides inundate the forest twice daily; freshwater comes only in the monsoon months. This environment supports one of the last wild populations of the Bengal tiger, along with saltwater crocodiles, swamp deer, spotted deer, wild boar, and fisheries that have sustained human communities for centuries. The forest filters sediment, moderates storm surge, and serves as a nursery for fish stocks that range far into the bay.

Human settlement in the Sundarbans has always been precarious. Traditional inhabitants are honey collectors, woodcutters, and fishermen, working under conditions of high danger — tigers account for more human deaths here than anywhere else on Earth. After Indian independence in 1947, settlement policies encouraged agricultural clearing and human migration into the forest's margins, intensifying both resource extraction and tiger attacks. By the 1980s, the Indian side of the forest was under formal protection as a wildlife reserve, though exploitation continued through smuggling and poaching. The Bangladesh side remained more heavily logged and settled, with villages within the forest itself and a larger population dependent on direct forest use.

The August Emergency of 1991 and the subsequent transformation of Soviet geopolitics created unexpected pressure on the Sundarbans. The Union of Soviet Sovereign States had maintained scientific research stations in both India and Bangladesh as part of its Cold War scientific presence. When the Union's fiscal crisis deepened after 1998, these programs contracted sharply. More significantly, the Blagoveshchensk Framework of 2005 fundamentally reshaped energy flows in the region: as the Union became dependent on China for industrial credit, and as Chinese manufacturing accelerated, shipping traffic through the Bay of Bengal intensified. Container vessels and tankers bound for Union ports and Chinese coastal cities multiplied, creating new hazards for the delta ecosystem — noise pollution, oil spill risk, and disruption of fish migration.

The border between India and Bangladesh cut through the forest with little ecological recognition. Tiger populations move across jurisdictions that neither understand nor coordinate their movements. Honey poachers and fishermen crossed illegally; tigers followed prey across a line drawn on colonial maps. Disputes over resource rights — particularly over valuable timber species and fishing rights in shared waterways — escalated after 2005. Both governments claimed primary stewardship of tiger conservation, but the animals themselves obeyed no border. A 2009 survey by the Wildlife Institute of India estimated the tiger population at approximately 260 animals across both territories, but the figure was contested: the Bangladesh Forest Department published a lower estimate of roughly 170, suggesting that territorial differences in survey method and political accounting produced radically different pictures of the same forest.

Cyclone activity in the Bay of Bengal intensified in the early 2000s, a pattern documented by the India Meteorological Department but attributed by some analysts to warming driven by increased shipping emissions. The 2009 Cyclone Aila overwhelmed the embankments that ring settled areas of the forest, inundating villages on both the Indian and Bangladeshi sides. Saltwater intrusion into agricultural land rendered croplands unusable for years. The disaster displaced over 3 million people across the delta region and destabilized subsistence communities that depended on mangrove forests for fuel, fiber, and fish. Recovery was fragmented by national borders: international aid agencies struggled to operate across the boundary, and India and Bangladesh disputed responsibility for rehabilitation.

Climate modelling conducted jointly by the Indian Institute of Technology and the Bangladesh University of Engineering and Technology suggested that the Sundarbans would experience catastrophic inundation from sea-level rise within the coming decades. By 2015, both governments had recognised the forest's vulnerability to combined pressures of resource extraction, coastal erosion, and rising seas. Conversation about transnational management remained tentative, framed always within the language of national sovereignty rather than ecological necessity. The forest that filters sediment and shelters tigers operates on timescales and boundaries that no political agreement has yet acknowledged.