The latest news on Amazon jungle
Researcher Robert Walker ventured into the Amazon to investigate the status of logging in the area.
Leaves of plants in the world's first rainforests had more veins per unit area than leaves had before.
As gold prices soar, so do deforestation and mercury pollution.
Findings could determine how changes in the Amazon might affect the regional and global atmosphere.
Between 2004 and 2009, rate of clearing dropped almost 75 percent.
Amazon river dolphins are killed in record numbers by fishermen looking for bait.
Drop seems to be a combination of Brazil's monitoring efforts and the global economic crisis.
A Brazilian official cites new protections and denies new wave of Amazon deforestation.