Hospital clarifies 'misinformation' after staff accused of dumping medical waste into Saigon canal
The footage actually shows the hospital staff releasing fish into the canal
Sea water turns blackish in Da Nang
Officials have collected water samples for testing
Tourist boats must meet standards on wastewater treatment in Vietnam’s Ha Long Bay: experts
Environmental protection and natural heritage preservation are crucial
Ho Chi Minh City operates first wastewater treatment plant using solar energy
A solar power system with the capacity of up to 1.3 megawatts has been used to supply energy to the plant
Wastewater treatment plants proved ineffective at Hanoi industrial clusters
Some facilities have not been put into operation since their completion