Nitrogen, potash and phosphate: who controls fertilizer, and why the price swings
Fertilizer is three businesses: an energy business, a mining business and a near-cartel. Who supplies each nutrient, and what really moves the price.
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What are heirloom seeds? The meaning, the myths and how to save your own
The meaning of heirloom seeds: open-pollinated varieties passed down for generations, how they differ from hybrids, and how to save your own.
Brackets, blocs and the gavel: a reader's guide to how a UN climate COP works
What really happens over a fortnight of UN climate talks: agendas, square brackets, finance fights, negotiating blocs and who holds the pen.
Nutrition books worth reading: seven on processed food, appetite and the science of eating
Seven nutrition books for curious eaters: ultra-processed food, appetite and the brain, Michael Pollan's rules, and where researchers still disagree.
What is biochar? How it is made, what it does for soil and why carbon buyers want it
What is biochar? How pyrolysis turns plant waste into stable carbon, what it does for soils and yields, and why it leads durable carbon removal credits.
What is regenerative agriculture? The practices, the promises and the fight over the word
What is regenerative agriculture? The core practices, why definitions split between methods and results, corporate pledges and what soil carbon can do.
Popular science books on genes, cells and life: eight for curious adults
Eight popular science books on genes, cells and life for adults, from The Selfish Gene to CRISPR and fungi, and which one to start with.