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.
culture & policy
The Nutrient-Rich Legacy in the Amazon’s Dark Earths
Fertile terra preta soils were created through centuries of carefully managed land use. Scientists are taking cues from these soils to better sequester carbon and improve soil for agriculture.
U.S. Businesses May Be Required to Report Emissions, Climate Risk
The proposed rules seek to give investors more complete and standardized climate risk information. The move would bring U.S. policy closer to international standards.
Hazards Scientist David Applegate Nominated for USGS Director
If confirmed, Applegate would fill a yearlong vacancy at the head of the agency.
Mapeando el pasado, presente y futuro de Teotihuacan
Un nuevo proyecto con tecnología lidar revela cómo la minería y la expansión urbana han puesto en riesgo a uno de los sitios del patrimonio cultural más icónicos de México.
Road Salts Linked to High Sodium Levels in Tap Water
Use of deicing agents may sometimes raise sodium levels in drinking water beyond healthy limits for people on salt-restricted diets.
Geochemical Data from Polynesian Artifacts Pack Pofatu Database
A new resource may help match artifacts with their original stone sources—“a really a niche part of archaeology that requires geological expertise.”
Black Neighborhoods Will Bear Future Flood Burden
Climate change, shifting populations, and infrastructure development in risky areas compound future flood loss risk.
Weighing the Benefits of Urban Greening
City communities may need to consider whether water absorption or cooling benefits are more important when designing urban greening.
Navigating the Pacific with Wind, Waves, and Stars
Ancient Polynesian voyagers sailed thousands of kilometers with no maps or compasses; they followed nature’s clues. Using the same tools, the Moananuiākea Voyage will set sail from Alaska and circle the Pacific.
