Environmentalists and NGOs are threatening to sue developers of a controversial hydropower dam, claiming the project would cause irreversible damage to the Mekong River. The Don Sahong dam, a 260-megawatt project…[is] proposed on a site less than two kilometres north of the Cambodian-Lao border… “If they really build it without conducting proper impact studies it will be irresponsible to the 60 million people who live along the river,” said…the Cambodian Volunteers for Society. Last month, the Mekong River Commission made public an environmental impact assessment report prepared by a private company for Malaysian developer Mega First Corporation Berhad. Contrary to the outcry from environmental groups, the report says there will be no significant negative impacts...