Energy usage contributes up to 35% of Vietnam's total greenhouse gas emissions, Dr Nguyen Thi Hien Thuan from the Vietnam Institute of Meteorology, Hydrology and Environment said.
Mui Ca Mau (Ca Mau Cape) National Park in the southernmost province of Ca Mau will be recognised as a new Ramsar site of the world and the fifth in Vietnam.
With the annual flooding not occurring in the Cuu Long (Mekong) Delta this year, salination has become a major problem affecting agriculture as well as water supply.
Asia's cities are becoming increasingly vulnerable to natural disasters as they struggle with poor planning, population explosions and climate change, the ADB warned.