Quick & bleak update from me for @mongabay.com - heavy metal contamination from Myanmar's mines has reached the Mekong River.
Thai authorities found arsenic levels ~9 times higher than the safety limit in the Mekong's sediment, suggesting the flow of pollution is spreading through river systems.
BANGKOK — Thai authorities have found what they described as dangerous levels of arsenic contamination in sediment from the Mekong River and three of its tributaries in the northern provinces of Chian...
