Around a quarter of the forest in the Amazon Basin has been severely degraded or cleared, and parts of the region may have already passed a tipping point. NGOs are now proposing radical countermeasures. Can this work?
When a system reaches a tipping point, everything changes quite suddenly and nothing is the same. Researchers are now wondering whether the Amazon rainforest is also in the process of tipping over and could irrevocably transform itself into a savannah landscape.