NBSV 202: Iain Tolhurst on how the world's first stock-free farm grows 120 tons of food annually with zero animal inputs

Iain Tolhurst is a pioneer of stock-free organic farming who's been growing vegetables for nearly 40 years without a single animal input. No manure, no bone meal, no grazing animals—just thriving soil, rich biodiversity, and 120 tons of vegetables per year. You'll learn how this groundbreaking system works, why it's more climate-resilient than conventional or even organic farming, and what it means for the future of food. Whether you're passionate about sustainability, food justice, or simply want to know where your veggies come from, this conversation will shift your perspective on farming, animals, and what's possible for our planet.