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A wave of refugee and immigrant restaurants is changing São Paulo’s food landscape for the better.

Photographer Nicolas Villaume explores a high Andes ritual that is as much a conflict resolution strategy as a cultural tradition.

At just 22, this Argentine is using 3D printers to revolutionize access to prostheses.

This Salvadoran social worker is sparking children's curiosity about reading - and the world.

This former Wall Street banker found a new calling by working to democratize education in Brazil.

To help her country rebuild after the 2010 earthquake, this young Haitian found she first had to break a glass ceiling.

This entrepreneur's alternative energy source is transforming farms across Mexico.

Our annual list spotlights five enterprising businesspeople who are making an impact – and a profit.