A marathon UN climate conference approved a roadmap towards an accord that for the first time will bring all major greenhouse-gas emitters under a single legal roof.
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.