Journalist and author George Monbiot has a radical idea for fixing farming's environmental devastation — but can a post-agricultural world feed the planet? Once a social scientist and now a farmer, Chris Smaje offers a defense of small-scale farming and a robust critique of industrialized food production. The Ecology Center is a blue dot in a red sea. How did Evan Marks come to run this 28-acre regenerative farm in Orange County? Reporter Alexander Sammon visits Cherán, where armed militias guard the area to prevent rogue avocado farming.