When the Sky Becomes a Utility: Lessons from Ben Tre's Rain-Harvesting Homes
In Ben Tre province, the wet season delivers more than 2,000 millimeters of rain — and local builders have learned to treat every drop as an asset. This article explores how delta rainwater systems, from roofline collection to permeable foundations, can translate into real savings for storm-battered US markets like the Gulf Coast and Pacific Northwest.