In this Oct. 10, 2012 photo, Patrick da Silva, left, and Talles de Almeida work on a reforestation project in the Atlantic Forest region of Silva Jardim, in Brazil's state of Rio de Jan

 

              In this Oct. 10, 2012 photo, Patrick da Silva, left, and Talles de Almeida work on a reforestation project in the Atlantic Forest region of Silva Jardim, in Brazil
In this Oct. 10, 2012 photo, Patrick da Silva, left, and Talles de Almeida work on a reforestation project in the Atlantic Forest region of Silva Jardim, in Brazil's state of Rio de Janeiro. The state promise to plant 24 million trees would help further restore the swath of species-rich Atlantic forest that once covered much of Brazil's coast and ensure that the golden lion tamarin population, once near extinction, has enough room to thrive. (AP Photo/Felipe Dana)