The Kok and Sai Rivers, once thriving waterways in northern Thailand’s Chiang Rai province, now carry a dangerous load. These rivers, which flow from Myanmar into Thailand, are now filled with toxic heavy metals, like arsenic, mercury, zinc, and cyanide.
These pollutants come from gold mining upstream in Myanmar’s Shan State, where controls are weak or missing.
read more... https://www.chiangraitimes.com/chiangrai-news/chiang-rai-rivers-crisis/
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