Professor Heiko Balzter, Dr. Nezha Acil (right) and University of Leicester colleagues at a zoobotanical garden at the Museu Emilio Goeldi in Belém, with trees and animals from the Amazon. Credit: University of Leicester New research has delivered a stark warning about a major change in Africa's forests. Once a crucial part of the fight against climate change, these forests are now releasing more carbon than they absorb. The findings come from an international study published in Scientific