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Jeffrey S. Dean is Emeritus Professor of Dendrochronology in the Laboratory of Tree-Ring at the University of Arizona, Tucson. His long-term research interests include dendroarchaeology, archaeological chronometry, paleoenvironmental reconstruction, human-environment interaction, and the archaeology of
The Reverend Michael Dowd is a former pastor and bestselling eco-theologian and deep sustainability evangelist whose book, Thank God for Evolution, was endorsed by 6 Nobel Prize-winning scientists, noted skeptics, and by religious leaders across the spectrum. Michael and his science