Viet Nam News: A 15-year programme for the complete phase out of hydrochloro-fluorocarbons (HCFCs) use for refrigerants and foam materials kicked-off yesterday. The programme will contribute to the State’s implementation of the Montreal Protocol, which aims to eliminate the use of ozone depleting substances. The protocol was signed by Viet Nam in 1994 and by 191 countries, said Le Cong Thanh, acting head of the Hydrometeorology and Climate Change Department under the Ministry of Natural …