Environmental Geochemistry Issues Semi-Monthly

Estimated Agricultural Pesticide Use (Dicamba, 2019), USGS ; Link TRUMP EPA Announced Plan to Reapprove Dangerous Drift-Prone Pesticide Dicamba (News Release, Center for Biological Diversity ; July 23, 2025) https://biologicaldiversity.org/w/news/press-releases/trump-epa-announces-plan-to-reapprove-dangerous-drift-prone-pesticide-dicamba-2025-07-23/ EPA announced Proposed Decision to Approve Registration of New Uses of Dicamba, Outlines New Measures to Protect Human Health, Environment (Press Release, US EPA ; July 23, 2025) https://www.epa.gov/pesticides/epa-announces-proposed-decision-approve-registration-new-uses-dicamba-outlines-new Also... Dicamba drift:  New use of an old herbicide disrupts pollinators (News Release, University of Michigan ; March 4, 2025) https://news.umich.edu/dicamba-drift-new-use-of-an-old-herbicide-disrupts-pollinators/ Featured Research Article: Off-target drift of the herbicide Dicamba disrupts plant-pollinator interactions via novel pat...

CAMP Magmatism in the context of Pangaea ,  Williamborg ;  CC BY-SA 3.0 ,  Link Pulses of ocean acidification at the Triassic-Jurassic boundary (TRUDGILL et al ., 2025) https://www.nature.com/articles/s41467-025-61344-6 Mechanisms of global climate change during the five major mass extinctions (KAIHO, 2025) https://www.nature.com/articles/s41598-025-01203-y.pdf Also... How the world of the end-Triassic extinction was similar to today - and how it differed (Howard LEE, Ars Technica ; February 8, 2023) https://arstechnica.com/science/2023/02/what-messages-does-the-end-triassic-extinction-hold-for-today/ Contrasting terrestrial and marine ecospace dynamics after the end-Triassic mass extinction event (CRIBB et al. , 2023) https://royalsocietypublishing.org/doi/10.1098/rspb.2023.2232 Molecular and isotopic evidence reveals the end-Triassic carbon isotope excursion is not from massive exogenous light carbon (FOX et al. , 2020) https://www.pnas.org/doi/10.1073/pnas.19176611...

(SEVERE  et al. , 2025) The Transport of Microplastics from Soil in Response to Surface Runoff and Splash Erosion (SEVERE et al. , 2025) https://pubs.acs.org/doi/10.1021/acs.est.5c04795