OGDEN, Utah – Historian Donald Worster will present "The True Wealth of Nations: Theodore Roosevelt and the American Conservation Ethic" at Weber State University on Oct. 22 at 7 p.m. in the Stewart Library Hetzel-Hoellein Room.

Worster, who holds a doctorate from Yale University, is the Joyce and Elizabeth Hall Professor of U.S. History at the University of Kansas. He has taught at KU since 1989 and focuses most of his research on environmental history. He has published several books, including "A Passion for Nature: The Life of  John Muir," "Where the Buffalo Roam: Restoring America's Great Plains," "A River Running West: The Life of John Wesley Powell" and "Nature's Economy: A History of Ecological Ideas."

Worster's presentation is the annual Critchlow Lecture and part of the university's History Lecture Series. The event is free to the public. For more information, contact the Department of History at 801-626-6706.

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