Brazil

Global Politics

Brazil top court ruling could free Lula, derail corruption fight

Several justices on Brazil's top court have already made clear they want to overturn a landmark 2016 ruling that allowed defendants to be jailed if their graft convictions were upheld on a first appeal — the sole reason that President Luiz Inacio Lula da Silva and several senior politicians and businessmen are currently behind bars.

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Science, Tech & Environment

Geo answer

We were looking for a tributary of the Amazon that starts in the Brazilian state of Mato Grosso. The answer is the Xingu River. Researchers working near the source of the river have un-covered traces of ancient settlements -- known as "lost cities" -- buried under a thick layer of jungle. Lisa Mullins speaks with Michael Heckenberger, a professor of Anthropology at the University of Florida who led an expedition to the region.

Arts, Culture & Media

Amazon activist remembered

Amazon rainforest activist Chico Mendes was murdered 20 years ago today. Anchor Lisa Mullins speaks with BBC environmental correspondent Tim Hirsch about Mendes' legacy and the ongoing struggles in Brazil to slow deforestation.