
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.

Founded in 2009 to stop global warming "in our lifetime," WeForest has restored more than 100,000 hectares across four continents — and it is quietly proving that planting trees was only ever half the job.