Rio has a lot of work to do before Rio+20, the World Cup, and the Olympics. But by the time the last event is over, not only will Rio have changed dramatically, but Brazil will be a different country.
Brazil is considered a 'low English proficiency' country, and ranks among the lowest in the world for workplace fluency, putting the emerging economy at a disadvantage, writes a guest blogger.
Rio+20 comes at a time when more and more events are being held in Rio, and will serve as an important test for the city's ability to accommodate and transport visitors, writes Rachel Glickhouse.
It appears the Formula One Bahrain Grand Prix scheduled for this weekend will go on, despite the use of tear gas and rubber bullets on protesters there. Advertisers don't appear worried about any backlash.