Tasneem Chowdhury Fahim Tasneem Chowdhury Fahim is a lecturer at the University of Dhaka. Rainwater harvesting is the sustainable answer for coastal water scarcity Despite the progress, a crucial discussion continues to determine which would be the most appropriate and sustainable water sources. 22 March 2024, 05:00 AM 22 March 2024, 05:00 AM