Vietnam, a major rice exporter, is aiming to transform its farming techniques by reducing its emissions of methane, a greenhouse gas.Rice paddies generate methane due to flooded conditions inhibiting soil oxygen, making up 8 percent of human-made methane emissions globally.The crop holds...

Vietnam, a major rice exporter, is aiming to transform its farming techniques by reducing its emissions of methane, a greenhouse gas.Rice paddies generate methane due to flooded conditions inhibiting soil oxygen, making up...

Vietnam, a major rice exporter, is aiming to transform its farming techniques by reducing its emissions of methane, a greenhouse gas.Rice paddies generate methane due to flooded conditions inhibiting soil oxygen, making up 8 percent of human-made methane emissions globally.The crop holds cultural and economic significance in Vietnam, with the Mekong Delta being a vital region for rice production since the end of the Vietnam War.There is one thing that distinguishes 60-year-old Vo Van Van’s rice fields from a mosaic of thousands of other emerald fields across Long An province in southern Vietnam’s Mekong Delta: It isn’t entirely flooded.That and the giant drone, its wingspan similar to...

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