The first time you drive into the Australian Outback, it’s hard to grasp the scale of it. The road stretches endlessly ahead. The landscape turns red and rugged. Towns become few and far between.

A German backpacker who was rescued after spending 12 days in the Western Australian bush is releasing a book about her ...

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 ...