
Novara Media Do Your Own Research: Megafarms and Megafamines: Secrets of the Global Food System w/ Charles C. Mann
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Feb 16, 2026 Charles C. Mann, an American science and environmental writer, narrates sweeping stories of how modern food was made and unmade. He traces guano, gamma-ray wheat mutation, and Norman Borlaug’s Green Revolution. He explores huge yields alongside new fragilities: water stress, consolidation of farms, and surprising tech fixes and risks.
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A Personal Collapse Over Chemical Weapons
- Clara Immerwahr, Fritz Haber's pacifist scientist wife, shot herself after discovering his chemical warfare work.
- Haber returned to the front the next day and continued the weapons program.
Nature's Production Ceiling
- William Vogt studied guano islands and El Niño cycles to show ecosystems set production ceilings.
- He argued exceeding ecological limits leads to temporary gains followed by crashes, founding modern environmentalism.
Borlaug And The Green Revolution
- Norman Borlaug bred dwarf, stem-rust-resistant wheat and enabled the Green Revolution package: seeds, fertilizer, irrigation.
- That package raised yields dramatically and helped end global chronic hunger for the first time.
















