More than 10 million people live in Sao Paulo and every day, they generate 14,000 tons of garbage. But Sao Paulo is undergoing a green revolution. Follow one aluminum can from the time it is picked up by one of the catadores (trash-pickers, who make their living from collecting recyclables) through pressing, melting, and re-melting, to the moment it is ready to become a new can.
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Ready to Watch Megacities, Season 1, Episode 7?