soils
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Where Soil Meets Data: Yushu Xia’s Mission To Support a Healthier Planet
Xia discusses her research projects, mentorship goals, and the importance of staying ahead in a changing scientific landscape.
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Revitalizing Africa’s Soils
To feed our burgeoning global population, the world has to at least double crop yields by 2050, by improving seeds of high yielding crops and cultivating healthy fertile soils. A new on-the-spot soil testing kit will help meet this challenge.
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Mapping Hot Spots of Lead to Protect Children
A new study in the Bulletin of the World Health Organization shows how hot spots of lead contamination in soil can be pinpointed in order to safeguard children against drastic health effects. Researchers led by geochemist Alexander van Geen of Lamont-Doherty Earth Observatory, studied soil around two Peruvian mining towns, and found high lead concentrations…
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Why Soil Matters
Soil is the source of all life. Yet “we know more about soils of Mars than about soils of Africa,” says Pedro Sanchez, director of the Earth Institute’s Tropical Agriculture and the Rural Environment Program. To remedy this situation, the Earth Institute is taking part in an ambitious undertaking to map the world’s soils.
During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
