A member of the Free Syrian Army cuts a tree trunk to be used as firewood in Northern Syria, January 26, 2013. Picture taken January 26, 2013. REUTERS/Mahmoud Hassano (SYRIA - Tags: POLITICS CIVIL UNREST) 

A man from the Embera tribe cuts trees which had been cut by a private logging company in the community of La Pulida in Darien February 17, 2010. Drug-running Colombian rebels are using the dense, lawless jungle joining North and South America to smuggle cocaine past sea patrols, creating a new troublespot in the continent's drug war. Picture taken February 17, 2010. To match Feature PANAMA-DRUGS/ REUTERS/Alberto Lowe (PANAMA - Tags: SOCIETY ENVIRONMENT) 

A man saws a tree in the Lampesue forest at the Luwu district of Indonesia's South Sulawesi province September 8, 2009. Indonesia's parliament passed a new environment bill on Tuesday giving the Environment Ministry the power to revoke polluters' business licences, which environmentalists said could lead to more effective enforcement. Indonesia's rapid economic growth has been accompanied by widespread pollution of its waterways, soil and air, as well as the destruction of its forests and wildlife, prompting criticism from green groups and the World Bank. REUTERS/Yusuf Ahmad (INDONESIA ENVIRONMENT SOCIETY BUSINESS) 

A soldier of the NATO-led peace force in Kosovo destroys a weapon which was seized during a raid across the U.N.-run province in the village of Hajvalija, south of the capital Pristina, December 9, 2006. REUTERS/Hazir Reka (SERBIA) also see: GF2E43S0UXH01 

Colombian instrument maker Ana Paredes tries to to take apart an AK47 rifle to be used as part of an electric guitar in her father's workshop in Bogota, seen in this photo taken on September 21, 2006. A top musical craftsman, Luis Alberto Paredes and his family have branched out from their fine classic string instruments to fashion electric guitars shotguns and AK47s once used by fighters caught up in the country's lingering conflict. REUTERS/Jose Miguel Gomez (COLOMBIA)