Researchers from the Max Planck Institute for Chemistry have uncovered that the Amazon rainforest emits new defense molecules during extreme drought conditions associated with El Niño.
This discovery sheds light on the unexpected ways in which the rainforest ecosystem adapts to severe environmental stress.
The findings, published on June 2, 2026, underscore the significant impact of climatic events like El Niño on the health and survival of rainforest ecosystems.