The record drought that has affected large parts of South America for the past three years is being driven by the La Niña weather system and exacerbated by climate change, an international group of climate scientists has determined.
Historically dry and hot weather in areas of Argentina, Chile, Brazil, Paraguay and Uruguay has forced countries to ration water and has devastated harvests, contributing to rising food prices globally.
Chile has seen giant reservoirs turn to desert and is experiencing the deadliest wildfires …