We're used to debating the region's environment. But far-western Brazil has lots of urban problems too.
For decades, Brazil has worked to improve conditions in its poorest neighbourhoods: building roads, drainage, lighting, and safer housing. Will budget cuts end its ambitious slum-upgrading efforts?
A public health programme respected locally, lauded globally, and based on the best science for helping homeless crack users, is at risk of falling victim to Brazil's partisan politics.
In Brazilian prisons, overcrowding, corruption and gang infiltration are a combustive combination. But it all started with bad drug policies.
Three researchers examine the big challenges of urban development: from city leadership to lock-ins.
BRICS goes into its eighth summit with lots of hurdles. Sanusha Naidu consideres its future prospects.
Land animals were able to find refuge in the depths of the forest. But aquatic species weren't so lucky.
Natural hair has become a political rallying point for women across the African diaspora. For these women, wearing natural hair is way to resist Eurocentric norms and "post-racial" political thought.
Luis Inacio 'Lula' da Silva's center-left policies helped lift millions of Brazilians out of poverty, earning him the title 'leader of the poor.' It's a legacy worth preserving.
With no sign of resolution in the near future the collapse of multilateral trade negotiations, tagged as the Doha round, risks breeding a major crisis.
At one point, it looked like the games could be cancelled. But the carnival spirit has prevailed.
There are several lessons that the world can learn from Brazil about how to rapidly reduce child stunting in 10 years.
With the economy in its worst slump for decades, environmental protection may be on the chopping block.
The lasting effects of Olympic Games are measured in more than just concrete stadiums.
The forced end of Dilma Rousseff's presidency is the latest in a string of right-wing coups.
The senate has outmanoeuvred a national leader, leaving many wondering which is fighting on the right side of democracy.
If empty seats and other Olympics are anything to go by, it's unlikely Brazil will get a tourism boost from Rio 2016.
Money and resources in Latin America often don't reach those who need them most – and criminal gangs are on hand to take advantage.
Every few days, there are news reports of some kind of violence encountered by athletes or journalists at the Rio Games. To understand why, we need to understand how prevalent violence is in Brazil.
Wastewater treatment systems around the world are hamstrung by outdated tests that don't identify a growing array of pathogens or identify the sources of pollutants.