Tourists thwart turtles from nesting in Costa Rica

During the first weekend in September, day-trippers swarmed the beach in Costa Rica that serves as a nesting ground for Olive Ridley sea turtles, becoming a cautionary tale for conservationists, not to mention a social media sensation.

Forget Brazi and look out for the Pacific Alliance

Brazil, an emerging-market darling just a couple years ago, is crumbling amid economic stagnation and political turmoil. But there's a far brighter story—one most investors are missing—elsewhere in Latin America.