A new vision is sweeping through ecological science: The dense web of dependencies that makes up an ecosystem has gained an added dimension-the dimension of tim

A look at some of the rivers of the United States that are off the beaten track.

The rivers of America flow from mountains, forests, and grasslands with astonishing beauty, essential to all life. Many of the best of these streams have been s

Photographer and writer Tim Palmer has spent more than 25 years researching and experiencing life on the waterways of the American continent. He has travelled b