Permafrost Melting a Growing Climate Threat: Study
http://www.commondreams.org/headline/2009/07/01-4
http://freepage.twoday.net/search?q=permafrost
http://freepage.twoday.net/search?q=climate+threat
http://freepage.twoday.net/search?q=permafrost
http://freepage.twoday.net/search?q=climate+threat
rudkla - 2. Jul, 10:00