I think, boy, I'm a part of all this': how local heroes reforested Rio's green heart

"The verdant forests cloaking Rio's dramatic hills are largely the result of human intervention. None of this was here before. Nothing, zero trees," says Santos.

"Still, Leleco couldn't imagine doing anything else. I feel responsible when I look at all this, how it was before and how it is now."

"The programme, known today as Refloresta Rio, was set up by the city government in 1986. By 2019, it had transformed the city's landscape."

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