The Ba Bo Canal has varied in color from murky to foamy since 2003
|A section of the Ba Bo Canal that runs through Provincial Highway No. 43 in Thu Duc District, Ho Chi Minh City, is filled with white foam. Photo: Tuoi Tre|
Factories in Ho Chi Minh City and neighboring Binh Duong Province have secretly been dumping industrial wastewater into an already seriously contaminated canal, leaving local officials scratching their heads.