Low-income favelas would benefit from green roofs but there are two problems: Cost. And a typical design that's too heavy for a favela home.

Learn about the hidden history of Rio Virilla in Costa Rica. Discover the two significant events that occurred on its banks.

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FILE - Chinese President Xi Jinping, third right in front, and world leaders attending the G20 Summit pose for a group photo in Rio de Janeiro on ... in Colombia’s Catatumbo region.

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A Rio de Janeiro zoo is giving ice pops to a bear, a jaguar, wolves and monkeys for some welcome relief from Brazil’s stifling summer heat.

The death toll from escalating violence between rival guerrilla groups in Colombia’s Catatumbo region has risen to 60, according to the country’s human rights office. The clashes, involving ...

Iris Marín said the violence escalated last week in the Catatumbo region, displacing tens of thousands of people. Hundreds more remain confined to their homes and are unable to evacuate due to ...

A Rio de Janeiro zoo is giving ice pops to a bear, a jaguar, wolves and monkeys as Brazil swelters. The cold treats are part of the animals' well-being program, providing thermal comfort. Some also have access to water tanks or air-conditioning to cool down.

The violence, carried out over the last four days in a northeast region called Catatumbo, is some of the worst the country has suffered through in recent years. And it has raised concerns that the ...