A place of incredible biodiversity and beauty, the Amazon and its people are increasingly threatened by the pressures of a changing world.
The Ganges is the most spiritually revered river on Earth but it had become so badly polluted that it is unsuitable to bathe and drink from it.
The Nile encapsulates the story of ancient civilisation and the story of modern conflict and modern consumerism.
The Mississippi is a river of sound - music, wildlife, voices, weather, even the sound of the river itself.
Rhine not only an inspiration and a beauty by itself but one of the busiest waterway in the world, flowing from the Swiss mountains to Holland.
The Yangtze basin is home to 400 million people.They have learned to live over generations with floods and disasters but thats about to change.