Fossilized tree discovered in Peru hints at dramatic environmental change

Researchers on an expedition in Peru on the Central AndeanPlateau discovered a huge fossil tree buried in a grassy plain. Plant fossils from the high-altitude site in southern Peru contain reminders that the Andes Mountain environment changed significantly in the last 10 million years. Interestingly, the changes recorded in these fossils don’t mesh with climate models. Researcher Camila Martinez said …