On December 7th 2007, the CHANGSHA-ZHUZHOU-XIANGTAN urban agglomeration became “nation-al resource-economic and environment-friendly society” (two-oriented society for short) approved by the State Council, whose essence is to establish the ecological and civilized society. The urban forest is not only the leading force that improves the urban ecological environment, but also the important factor that creates the urban's life-support system and environmental conditions for our living, which maintain our survival and social development. Accordi...
