It’s a plunge from previous estimates, but a new study suggests that 3% of the world remains untouched by humans. While former research used satellite imagery to predict that 20-40% of the Earth remains intact, the new study used ecological mapping of habitats and species to come to its conclusion. Excluding Antarctica, the last untouched corners of Earth include parts of the Amazon and Congo forests, Siberia, northern Canada, and the Sahara Desert. No parts of Oz remain ecologically intact thanks to the impact of introduced species like cats, rabbits and camels. But there’s a silver lining – researchers say that reintroducing species like elephants and wolves to some damaged areas could restore up to 20% of the environment. Bring on the Tassie Devils in NSW…