Rio de Janeiro has made strides to improve public safety, leading the way for Brazil's other 26 states. But with upcoming mega-events, coordination between federal and state forces is still needed.
The UN's global conference underscored just how much ground Rio de Janeiro itself has to cover when it comes to environmental sustainability. It also showed what a long way the city has to go to prepare for the 2014 World Cup games and the 2016 Olympics.
As thousands descend upon Rio for the Rio+20 sustainability conference, here's a list of some of the newest attractions – beyond the beach.
The documentary 'Waste Land' takes us through Rio's largest landfill and into the lives of garbage pickers as a Brazilian expat seeks to raise their spirits through art.
Brazil is poised to begin one of the most technically advanced deep-sea oil drills ever. The National Petroleum Agency and state-controlled oil giant Petrobras both sent teams to the Gulf to monitor the BP oil spill relief efforts.
Activists from the ecological group Greenpeace unload fake radioactive barrels in front of the Christian Democrats party (CDU) headquarters in Berlin, Germany on June 28. Greenpeace's Trojan horse was created to protest the party's atomic energy policies.