Ben McCall is the initiator and Founder of the Planetary Limits Academic Network (PLAN), Professor of Sustainability, and served as the inaugural Executive Director of the Hanley Sustainability Institute at the University of Dayton.
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In conversation: Dave Murphy and Tom Murphy – can modernity survive planetary limits?
In a wide-ranging exchange, physicist Tom Murphy and energy scholar Dave Murphy explore the tension between optimism and planetary limits, debating whether modernity can endure or must give way to something entirely new.
April 23, 2026
