Gaia Nature Conservation has planted 4,500 trees in the Xuan Lien Nature Reserve in the north central province of Thanh Hoa to mark World Planting Day on March 21.
More than 1,000 trees of five species of native timber trees and wild plants have been planted on 20,000sq.m in the Dong Nai World Biosphere Reserve as part of an effort to improve the habitats of elephants and other wildlife.
Nearly 500 plants from five species have bên planted on 10,000 hectares of a forest in Dong Nai Biosphere Reserve, recognised in 2012 by UNESCO as one of eight biosphere reserves in Vietnam.