If the world stays on fossil fuels, fine particle pollution from wildfire smoke could more than double in the late summer to early fall in the U.S. Pacific Northwest by 2100.
culture & policy
Robotic Vehicles Explore World War II Era Ocean Battlefields
Project Recover used autonomous underwater vehicles to identify, access, and image hard-to-reach World War II wreckage sites near the Northern Mariana Islands.
Greenhouse Gases Must Begin to Fall by 2025, Says U.N. Climate Report
Emissions rates are still growing every year, though that growth has slowed. The world needs to reach negative growth soon to prevent a potential 3.2°C rise by the end of the century.
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.
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.”