Disputes - international: southeast Asian states have enhanced border surveillance to check the spread of avian flu; talks continue on completion of demarcation with Thailand but disputes remain over islands in the Mekong River; concern among Mekong River Commission members that China's construction of dams on the Mekong River and its tributaries will affect water levels; Cambodia and Vietnam are concerned about Laos' extensive upstream dam construction
Illicit drugs:
estimated opium poppy cultivation in 2008 was 1,900 hectares, about a 73% increase from 2007; estimated potential opium production in 2008 more than tripled to 17 metric tons; unsubstantiated reports of domestic methamphetamine production; growing domestic methamphetamine problem (2007)