In 2008, author Jonathan Waterman traveled the length of the Colorado River to survey the health of the legendary waterway. In his National Geographic book, he details the story of an overtaxed river that fails to reach the ocean most years due to human demands. Join him for a look at images and stories of the river, the people who use its waters, and a discussion on how the river's demise might be averted. NG Member: $15 General Public: $18