When hundreds of skinned donkeys appeared on Colombia’s northern coast without explanation, locals -- and later authorities -- started asking questions. The answer, as it was many of these wildlife…

Both banks of the salty canal near the town of Kaukira show e vestiges of the boom-bust nature of life in this area. A pair of abandoned, two-story buildings lie…

The taricaya turtle conservation program in northern Peru has been heralded as bringing an endangered species back from the brink of extinction while protecting millions of hectares of rainforest from…

Smuggling networks are feeding illegal mining operations across the Amazon Basin with mercury, despite global efforts to clamp down on the use of the substance.

Methamphetamine use in Mexico has grown exponentially in recent years and now rivals marijuana as the drug most cited by patients in treatment for substance abuse.

The deadly synthetic opioid fentanyl has displaced heroin as the leading driver of the ongoing opioid crisis in the United States and is contributing to a deadly scramble for market-control…