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Mass migration into Lima and other cities fueled a social revolution, but many slum dwellers struggle to find stable work and lack essential services, The Economist reports.
A $750 million loan package from the Inter-American Development Bank will help traffic-clogged Lima expand its single metro line into a citywide rail system by 2020.
The billboard is as effective at purifying air as 1,200 trees, Ozy reports.
Plastic as ‘currency’ to encourage recycling