From earliest times, water has always been acknowledged as a...

From earliest times, water has always been acknowledged as a primary human good and an indispensable natural resource. Around the great rivers of the world, like the Mississippi, great cultures have developed, while over the course of the centuries the prosperity of countless societies has been linked to these waterways. Today, however, the great fluvial systems of every continent are exposed to serious threats, often as a result of man's activity and decisions.