Les analyses de sédiments montrent que la réutilisation de l’eau non traitée et la construction de barrages entraînent l’augmentation des concentrations de métaux lourds dans le Delta du Nil, menaçant gravement les écosystèmes, l’agriculture et la santé humaine.
food security
Posted inEditors' Highlights
Tracking Heavy Metal Accumulation in the Nile Delta
Sediment measurements show that flow alterations and discharges are driving increasing concentrations of multiple heavy metals in the Nile Delta, threatening ecosystems, agriculture, and human health.
Posted inNews
How Climate Change Is Affecting Women in the Amazon
Droughts and floods have radically altered family farming, but women leaders are finding solutions for themselves and their communities.
Posted inResearch Spotlights
Food Deficits in Africa Will Grow in a Warmer World
Under the combined stress of growing populations and current warming trends, many African nations will face increasing shortfalls in food production in the coming decades.
Posted inNews
Traditional Fertilizers Beat Out Industrial Chemicals in Soil Health Test
New research in western India found that fertilizer based on Traditional Ecological Knowledge made soil more fertile in a head-to-head test with industrial fertilizers.
Posted inNews
To Understand Hunger in Sub-Saharan Africa, Consider Both Climate and Conflict
Warfare exacerbates the impacts of drought to produce food insecurity crises that last long after the drought has passed, new research documents.
Posted inNews
Food Security Lessons from the Vikings
Scandinavian societies of the first millennium adapted their farming practices to volcano-driven climate changes.
Posted inNews
La región agrícola más importante de la India se está desertificando
El cultivo de arroz consume más agua de la que el Punjab puede recargar. Si continúan las tasas de riego actuales, el estado vaciará sus reservas de agua subterránea dentro de 20 años.
Posted inNews
Urban Agriculture Combats Food Insecurity, Builds Community
Innovations in urban agriculture—from creative reuse of stormwater to soil rehabilitation—can help fight food insecurity and prevent further food issues.
Posted inNews
Cover Crops, Sensors, and Food Security
Forward-Thinking Ideas for the USDA’s Agriculture Innovation Agenda