Upgrades to the Chợ Gạo canal, which connects the southeastern and southwestern regions of Việt Nam, have proven ineffective after just three years of operation, experts say.

Flood prevention works in HCM City between 2016 and 2020 are estimated to cost more than VNĐ96.3 trillion (US$4.2 billion), according to its Steering Centre of the Urban Flood Control Programme.    

 Fly ash from Formosa steel company (FHS) has passed quality assessments and can be used to produce cement, the environment ministry has said.