Ashraf Dewan Dr Ashraf Dewan serves as the director of research at the School of Earth and Planetary Sciences, Curtin University in Australia. He can be reached at a.dewan@curtin.edu.au. How Bangladesh can turn canal excavation into an environmental win 27 February 2026, 00:27 AM For thousands of years, the delta of Bengal has been defined by its intricate relationship with water. This was never a purely natural phenomenon; 27 February 2026, 00:27 AM