By studying where rewilding has worked well around the world, we've worked out the dos and don'ts.
By only focusing on preserving the genetic purity of a species, conservationists risk the extinction of isolated populations.
Storks – those harbingers of new life – are breeding in Britain again.
Coming to a river catchment near you: a rodent crack team ready to reduce flooding and boost biodiversity.
Scientists asked young people to draw what they would like the natural world to look like when they're older. Their imagination could help make conservationists more ambitious.
Zoos' role in conservation is divisive, but in Australia they could be critical in securing and even recovering threatened species.
Reintroduction programs can really help stop the decline of the southern ground hornbills.
When 100-year-old giant tortoise Lonesome George died in 2012, the world thought his species was lost forever. We went to the Galápagos Islands looking for 'extinct' tortoises – and we found them.
We're familiar with the idea of releasing almost-extinct species into new areas. By doing the same with common animals, we can help stop their population numbers getting into the same perilous state.