Trees cover 4 billion hectares of our planet, a vast blanket of green that produces a third of the Earth’s oxygen. The world’s forests provide sanctuary to a glorious and diverse array of animal life. This forest cover previously occupied much of the land’s area, however, over centuries of human activity it has drastically reduced.Trees cover 4 billion hectares of our planet, a vast blanket of green that produces a third of the Earth’s oxygen. The world’s forests provide sanctuary to a glorious and diverse array of animal life. This forest cover previously occupied much of the land’s area, however, over centuries of human activity it has drastically reduced.
2015 / 50 minutes / Phil Coles