Rainforest from start Rainforests are the oldest living biomes on Earth Rainforests are the oldest living biomes on Earth Rainforest from Start Rainforests are the oldest living biomes on Earth and contain roughly half the known species of life. They also store more carbon for longer than any other living system. Some tropical rainforests date back to the dinosaur age, but virtually all show signs of past human activity. Bayliss wondered if there were mountaintop forests that might be untouched. Bayliss, from Oxford Brookes University, had form he is known for having found Mount Mabu, the largest rainforest in southern Africa, as well as a number of new species of butterflies and other creatures in the area since then. He remembers thinking: “What would a forest like that look like?” Source: The Guardian