
Land degradation already stalks four billion people. Michel de Kemmeter's math is blunt: a single year of the world's defense budget could regenerate 10% of Earth's land — and that, he argues, is the only defense that actually works.

A stone-restoration entrepreneur became a systems thinker by following one persistent question: what valuable things does conventional accounting leave out? His answer now spans books, classrooms, a Brussels think tank and experiments in regenerative business.