They will focus on the places above the poles where the wind pierces the earth's magnetic defences and causes, among other things, the shimmering lights of the aurora borealis and aurora australis, and interference with radio communications.

ECONOMIST: Birds of a feather

Over the course of five years, the filmmakers collected video footage from some of the most remote places on the planet, including the Aurora Australis in Antarctica, the peaks of the Himalayas, and the tropical birds of Papua New Guinea, to reveal the earth's intrinsic beauty and harsh realities.

CNN: 'Earth' takes viewers on 'breathtaking' global journey