Green Vs. Gold: Brazil's Race to Balance It's Sports-Fueled Tourism Boom

Will the tourism boom accompanying the back-to-back 2014 World Cup and 2016 Olympics be too much of a good thing for Brazil to bear? From an emerald tropical isle to an ancient port to the hillside favelas and spectacular soccer stadiums of Rio, citizens and experts describe the environmental and social challenges and opportunities in balancing green and gold.