A 4.5 metres pine tree made of 2,500 secondhand cell phones is now on display at an electronic store in My Tho city, the southern province of Tien Giang.
The forest coverage of Vietnam in 2011 has reached 40% as a result of activities in responding to the 2011 International Year of Forest launched by the United Nations.
UN climate talks on Monday enter their second week entangled in a thick mesh of issues with no guarantee that negotiators and their ministers will be able to sort them out.
International scientists has found "record-setting" change in the Arctic linked to global warming, including melting ice, warming waters and changing wind patterns.
The burning of rice stubble has been a regular occurrence throughout the capital's suburban areas despite warnings that its smoke could harm residents and the environment.
The Australian government has said it plans to establish the world's biggest marine protection zone to safeguard a huge swathe of the Coral Sea, a biodiversity hotspot brimming with life.