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The Cost of Cobalt (Audio)
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One third of Sao Paulo's urban population living in slums
Sao Paulo is the largest city in Latin America and yet 19% of it's residents live in poverty. Favelas and slums on the outskirts of the city are home to the most impoverished residents.
Data: number of potential modern slavery victims in UK rises by 52%
More than 10,000 potential victims of modern slavery have been reported across the UK, study finds.
