At least 20 people have died, and more than 30,000 have been infected by a wave of dengue in Central America, where Guatemala and Panama have the highest death toll this year. The Pan American Health Organization (PAHO) warned last week that Latin America and the Caribbean will experience their “worst dengue season,”...

The Andean city of La Oroya, situated in a high-altitude valley at 3,750 meters (12,300 feet), is home to a heavy metal smelter that has poisoned residents and the environment for almost a century. In 2006, La Oroya residents sued the Peruvian government at the Inter-American Commission on Human Rights for allowing the company...

Panama and Costa Rica announced a plan to quickly bus thousands of migrants through Panama to the Costa Rican border, as the countries continue to grapple with a steady increase in the number of migrants moving through the jungle-clad Darien Gap....