The mass protests that have rocked Peru since December threaten to upend regional supply chains, intensify migration flows, and strain Lima’s bilateral relations.

The Olympics will likely go smoothly, but spending and construction for the games will burden the city for years to come, says journalist Juliana Barbassa.

Although this year’s Rio+20 conference produced only vague goals and few concrete commitments, it provided a major opportunity to shift the global environmental focus to the national and local levels…