Asia's longest uninterrupted river poisoned by arsenic - What is the reason behind the contamination?

Asia's longest free-flowing river, the Salween, is showing alarming levels of arsenic contamination, more than double WHO safety standards. Unregulated mining in Myanmar's Shan state, particularly for rare earth minerals and gold, is identified as the primary cause. This pollution threatens the vital lifeline for ethnic communities and biodiversity.

Asia's longest uninterrupted river poisoned by arsenic - What is the reason behind the contamination?
Asia's longest free-flowing river, the Salween, is showing alarming levels of arsenic contamination, more than double WHO safety standards. Unregulated mining in Myanmar's Shan state, particularly for rare earth minerals and gold, is identified as the primary cause. This pollution threatens the vital lifeline for ethnic communities and biodiversity.