TRA VINH, Vietnam — In the heat of Tra Vinh’s dry season, rice farmer Thach Ren stands on a recently harvested field holding a smartphone. The once lush and green field now lies barren, peppered with rice husks. Ren, 43, who has witnessed the ever-changing land and waterscapes of the Mekong, is one of a … Continue reading Vietnamese rice farmers go high-tech to anticipate a low-water future