Asia’s last great free-flowing river faces toxic contamination crisis
via news.mongabay.com
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The Salween River, Asia’s longest free-flowing waterway that briefly serves as a border between Thailand and Myanmar, is facing a crisis as recent testing has found arsenic levels far exceeding the safe limit set by the World Health Organization. Researchers from Thailand’s Chiang Mai University first raised the alarm in September 2025 after detecting high […]