The Iberá wetlands system in Argentina is one of the world’s largest freshwater bodies, but it is under threat. Vast monocrop pine and eucalyptus plantations have virtually eliminated biodiversity in more than half of the wetlands, devastating freshwater levels and dramatically affecting the livelihoods of the Guaraní Indigenous People who have lived in relationship with the lands for generations and depend on these ecosystems. Who's responsible? None other than Harvard University.