China has four hydrodams in operation on the Mekong and has plans for four more. Cambodia and Laos plan to build 12 more more dams.
Since the late 1980s, Mekong countries, especially China, have been looking at hydrodams as key energy sources to power economic growth.
Experts say as little as 30 percent of the country’s forest cover remains, while logging continues to be a problem.
Organizers look to collect 1,000 signatures before sending the petition to US President Barack Obama.
Tun Channareth said at least 156 other countries have signed the international treaty to ban landmines.
Representatives of both companies have been tight-lipped so far on the proposed dam’s construction.
In their letter, SRP lawmakers said more than 29,000 people from four different provinces had signed a petition.
She’s been featured in a documentary of inspiring girls around the world and has even met with US First Lady Michelle Obama.
The market was opened in 1937, it has 3,000 shops, ranging from stationary and electronics, to rice, meat and trinkets for tourists.
Moeung Sonn, who has fled the country, is facing a two-year prison sentence following a suit brought by the government in 2009.
The BBC World Service Trust surveys 2,401 Cambodians from all walks of life.
About 60 million people depend on the Mekong directly or indirectly for their livelihoods.