EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

The U.S. Fish and Wildlife Service has proposed that seven species of pangolin be protected under the Endangered Species Act. Pangolins are often poached for their meat and scales. The World Wildlife ...

Many animals curl into a ball as a natural survival strategy. This behaviour protects vulnerable body parts from predators, conserves energy, and sometimes cushions movement or falls. Found across ...