How to save the planet’s forests

In this episode of Instant Genius, host Jason Goodyear speaks with Professor Suzanne Simard, a leading forest ecologist from the University of British Columbia, about her groundbreaking work on forest regeneration and the urgent need to transform logging practices to save Earth's forests. Simard discusses the devastating impacts of clear-cutting and whole-tree logging, which strip forests of vital topsoil, disrupt carbon storage, and destroy the intricate underground networks that sustain forest ecosystems. She introduces the Mother Tree Project—a large-scale, 500-year experiment across a 1,000-kilometer climate gradient in British Columbia—testing how retaining old 'mother trees' at different levels (10% to 60%) aids forest recovery. Her research reveals that higher retention rates are crucial in stressful, dry, or cold climates, while lower retention suffices in wetter regions. Simard also highlights the importance of natural regeneration over planted seedlings, emphasizing that naturally regenerating trees are better adapted and more resilient. A key theme is the profound wisdom of Indigenous First Nations communities, whose centuries-old stewardship practices—like cultural burning and reciprocal land use—offer vital lessons for ecological restoration. Simard concludes with cautious optimism, noting that forests can recover remarkably fast when given the chance, and that humanity’s innate connection to nature, if reawakened, can drive planetary healing.