How to moderate human requirements for water while at the same time protecting freshwater ecosystems is one of the most critical and difficult challenges of the 21st century. By the year 2025, human demand for water will account for 70% of all available freshwater. Check out a slideshow, a video, and an essay about the plight of the once mighty Colorado River.
|National Geographic presents Geostories:A Journey Down the Colorado with Jon Waterman.|
In 2008, Jon Waterman made an unprecedented, source-to-sea descent of the Colorado River, following the trailblazing Civil War hero John Wesley Powell, who first ran the unknown Grand Canyon in an 1869 scientific exploration.