food security

The living skin of our planet: Why a world soil health index is our next great global scorecard

Asmae Ourkiya November 28, 2025

Soil water repellency by Antonio Jordán Source: Imaggeo

Next time you’re outdoors, in a park or anywhere where there is no pavement, look down at the patch of earth beneath your feet. To many people, it’s just mud, dirt, or maybe soil, something passive that things grow in. But to a soil scientist, that handful of soil represents a dynamic ecosystem that supports an incredible 95% of all the food we eat, filters every drop of our drinking water, ...[Read More]

Can we mend our Earth, one gully at a time? New research reveals that the answer is YES!

Asmae Ourkiya December 5, 2024

Picture taken by Elise Monsieurs in Kizin, Wanzaye, Ethiopia.

Imagine losing your land – little by little – to deep, destructive trenches carved by rain and flowing water. This is what gully erosion does, a problem that has been devastating several communities worldwide. Ethiopia’s Aba Bora Watershed, the subject area of a recent study published in the EGU open access journal, SOIL, is located in the Oromia region and is a part of the larger Baro ...[Read More]

Seaweed: an unlikely but promising food solution in nuclear winter?

Gillian D'Souza May 17, 2023

Florian Ulrich Jehn, Alliance to Feed the Earth in Disasters (ALLFED), Delaware, USA and Justus-Liebig-University, Gießen, Germany, presents at EGU23 Press Conference

A few weeks ago, at the European Geosciences Union General Assembly EGU23, a group of researchers from different disciplines briefed the media about the impact of war on the oceans, sands, and people. Among them, Florian Ulrich Jehn’s presentation stood out for its rather unlikely proposition: that seaweed appeared to be a promising candidate as a resilient food solution in nuclear winter. I ...[Read More]

Geosciences Column: The World’s soils are under threat

Laura Roberts-Artal July 22, 2016

Tillage in vineyards with heavy machinery is inducing soil degradation. Utiel, Eastern Spain . Credit: Artemi Cerdá (distributed via imaggeo.egu.eu)

An increasing global population means that we are more dependant than ever on soils. Soils are crucial to securing our future supplies of water, food, as well as aiding adaptation to climate change and sustaining the planet’s biosphere; yet with the decrease in human labour dedicated to working the land, never have we been more out of touch with the vital importance of this natural resource. Now, ...[Read More]