Artist Disorn Duangdao is one of the many people who has seen the Mekong River in Chiang Khong, Chiang Rai, change from muddy brown to an aquamarine colour. Although the blue river looks beautiful to tourists, it is actually a sign that the river is starving of vital sediment because dams in China are preventing it from flowing downstream. Another negative impact caused by the dam is that the...
