Hanoi, March 11 -- Tran made the suggestion during a reception for Resident Representative of the United Nations Development Program (UNDP) in Viet Nam Ramla Khalidi and Representative of the World Health Organization (WHO) in Viet Nam Angela Pratt in Ha Noi on March 11.

He said Viet Nam has initially assessed sources of air pollution nationwide, particularly in major urban centers such as Ha Noi and Ho Chi Minh City.

The structure of emission sources is quite similar to that of many developing countries. Industry accounts for about 27 percent of air pollution, transport around 25 percent, construction about 20 percent, and roughly 6 percent comes from other sources such as straw burning and open waste burning. The main pollutant at pre...