Mapping the global flow of nitrogen fertiliser
A visual guide to who exports, who imports, and where the pinch points are.
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More on Climate
Warming Oceans Are Moving the World's Protein
Fish stocks are moving poleward and into deeper water as the oceans warm, while the countries that depend most on fish protein are often the least able to follow them. This piece argues that maritime boundaries, fisheries agreements and aquaculture investment have not caught up with moving fish.
Rice Paddies and the Other Greenhouse Gas Problem
Flooded rice is a major source of human methane, and alternate wetting and drying or direct seeding can cut it while saving water. This piece uses the first payouts at Punjab Agricultural University to show why a known fix still struggles to scale, and what verification, contracts and policy would move adoption across South and Southeast Asia.