Viet Nam News: Climate change has gained recognition as an imminent danger, but the threat to existing fresh water resources requires more immediate attention.
The United States and China won much world acclaim when they formally ratified the Paris agreement to curb climate-warming emissions on Saturday.
Contributions by these powers, which account for nearly 40 per cent of global emissions, is a promising sign that the pact can take effect before the end of the year.
Fifty-five nations covering at least...