The digital revolution is rapidly transforming cities, and a new vision and set of protocols is needed for them to leverage the promises of connectivity.
Though the protection of the Amazon is a top global priority, drugs and deforestation are increasingly linked as threats to the world's largest rainforest.
After decades of research, Brazil has led experiments to recuperate degraded rainforest and help ranchers produce more without toppling any more forest.
Economic instability has increased the price of gold as Brazilian President Lula da Silva attempts to crack down on illegal mining threating the Amazon.