FILE - In this Wednesday, Dec. 14, 2011 file photo, a member of a pro-government Somali militia walks amongst piles of locally-produced charcoal, in the seaside town of Bur Garbo, Somalia. Fires in Brazil's Amazon rainforest have underscored the challenges of conserving the Earth's remaining forest cover but the world's poorest continent, home to over 1.2 billion people, has long struggled to protect its forests amid demand for plant-based energy sources seen by many as cheap, such as charcoal or firewood. (AP Photo/Ben Curtis, File)
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