Local villagers say the plant has also polluted their farmland.
WWF says the Xayaburi and Don Sahong dams would threaten freshwater resources and threaten food security.
Clumsy attempt to erase Sombath Somphone from list of Southeast Asian human rights issues dismays wife, supporters.
The teen was lured with the promise of marriage across the border, an official says.
The Lao official in charge of the project says the two sides will sign the document during the second half of the year.
The move comes as gun-related crimes in large cities are on the rise.