Marcio Pimenta is freelancer photographer and visual storyteller, based in Curitiba, Brazil. Contributor at National Geographic, The Guardian, Rolling Stone, El País, GlobalPost, BBC Brazil, etc.
Migrants hope Brazil's Acre state will be gateway to a better life – in pictures. In northern Brazil, near the border with Peru, the Amazon state of Acre is a gateway for migrants from Haiti, Senegal and elsewhere. After crossing the border, they often wait at a crowded shelter, hoping to get a place on buses heading south.
Brazil's worst environmental disaster, in pictures. When the dams holding waste from a Brazilian iron ore mine collapsed in November, it triggered a huge, harmful mud wave that blanketed villages and polluted a major river flowing into the Atlantic. The torrent carried billions of gallons of mud and waste, killing at least 17 people, leaving hundreds of families homeless, wiping out wildlife and unleashing other devastation that, all together, the government considers to be Brazil's worst environmental disaster ever.