The social entrepreneurs at Sanergy supply badly needed clean toilets in the developing world and then sell off the waste they gather.
The trial is a victory for Brazil's judicial system in fighting impunity for corruption, but in the midst of municipal elections the convictions could serve as a setback for Workers Party candidates.
A new São Paulo think tank is urging Brazilians to rethink the country's drug policy. Brazil's drug law changed in 2006, but many say it has backfired as the drug-related prison population has boomed.
Obesity is on the rise in Brazil, and regional governments are responding with legislation requiring larger seats and equipment for schools, public transportation, and hospitals.
Africa is booming with young entrepreneurs, but they don't always operate like their counterparts in the US.
The World Cities Cultural Report reports that Tokyo has a staggering number of bookstores while Paris made it to number one for the most libraries.
Brazilian culture is gaining popularity in the United States with everything from theater to video games. But its image isn't always positive or accurate.