Unregulated mining operations conducted by Chinese companies in conflict-ravaged Myanmar are causing a severe environmental crisis that is spilling over into neighboring Thailand. The Kok River, which flows through the border region, has become a major dumping ground for toxic waste from these activities. Recent tests have revealed dangerously high levels of arsenic and other heavy metals in the river’s waters, posing a significant threat to the local ecosystem and communities that rely on the river for their daily needs.