'In just a few decades, humans have cut down enough trees to cover the whole of the USA. As the oceans have grown warmer, half of all coral reefs have disappeared. In less than one human lifetime, over 70 per cent of all wildlife has been lost. But nature can recover...'From the magnificent forests of mangrove trees in the Philippines, along ancient hedgerows in the British countryside and across the vast grasslands of the Gobi desert, wildlife is at risk. Animal and plant species are being declared as 'Extinct in the Wild', and climate change and human activity have pushed nature to its brink. But across the world, people are stepping in. Discover the incredible ways scientists, conservationists and ordinary people are protecting species and habitats across the planet. From ZSL's incredible Darwin's frog rescue mission, to the scientists protecting angel sharks from fishing practices, and the local communities managing wildlife reserves where tigers can live safely in the Terai Arc, explore the heroic lengths travelled to ensure plants, animals and humans can live in harmony - and how you can help too.