EnvironmentArtificial rope bridges help stop rare primates jumping to extinction A landslide created a perilously wide gap in the forest canopy on China’s Hainan Island, so researchers made rope bridges to help the endangered Hainan gibbons get across 51¶¯Âþ
EnvironmentOnly a fifth of ice-free land on Earth has very little human influence Only 21 per cent of Earth’s ice-free land has very little human influence, a new map of the planet's unoccupied or sparsely populated areas shows 51¶¯Âþ