<font size="3"></font> <font size="3">Focused on a region many have never heard about, The Nature Conservancy recently launched the “Plant a Billion Trees Campaign at www.plantabillion.org to plant a billion trees by 2015 in Brazil’s Atlantic Forest, one of the greatest repositories of biodiversity on Earth.</font> <font size="3"> </font> <font size="3">The forest was once the twice the size of Texas, spanning eastern Brazil, northern Argentina and eastern Paraguay. </font> <font size="3"> </font> <font size="3">But today, more than 93...