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.
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.
Brazil's President Dilma Rousseff, who arrived in Cuba Monday, plans to meet with President Raul Castro today in a trip touted as a trade booster for both countries.
Brazil performs poorly on productivity measures in part because of high tariffs.