Mekong Delta Blues

BBC Radio 4’s Costing the Earth program explores how the government of Laos is determined to develop the nation by building hydroelectric dams for electricity, yet many people in the downstream countries of Cambodia and Vietnam are worried that the flow of the life-giving waters of the Mekong will be much reduced and fish life devastated. Peter Hadfield reports from the banks of the Mekong

Tourism can be made sustainable

On the surface, the Andaman sea off Phi Phi Island is calm and clear, its emerald green colour is ever attractive. Yet, the underwater situation with an extensive area of bleached coral reef make this popular world-class dive site a red-alert tourism spot.