Environmental Geochemistry Issues Semi-Monthly

Siberian Flood Basalts , Mark ALLEN - USGS, Link New geochemical study confirms cause of end-Permian mass extinction event :  Laura Wasylenki of Northern Arizona University is co-author on a new paper in Nature Communications showing a direct link between global dispersion of nickel-rich aerosols, ocean chemistry changes and the end-Permian mass extinction event that took place 251 million years ago... (News Release, EurekAlert ; 21 June 2021) Featured Research Article: Nickel isotopes link Siberian Traps aerosol particles to the end-Permian mass extinction (LI et al. , 2021) https://www.nature.com/articles/s41467-021-22066-7 Extinction Intensity on Marine Genus Biodiversity Graph ; CC BY-SA 3.0 , Link

(Press Release, EurekAlert ; 15 June 2021) https://www.eurekalert.org/pub_releases/2021-06/hcfe-ssi061521.php Sources of Nutrients and Pesticides ( USGS ; Link ) Pesticides in Groundwater ( USGS , Link )

Infographic: Sri Lanka's worst marine disaster   ( Gulf News ; 3 June 2021,   Link ) Fears of environmental disaster as oil-laden ship sinks off Sri Lanka (BBC News; 2 June 2021) https://www.bbc.com/news/world-asia-57327300 Sri Lanka faces disaster as burning ship spills chemicals on beaches (Hannah ELKIS-PETERSEN, The Guardian; 31 May 2021) https://www.theguardian.com/world/2021/may/31/sri-lanka-faces-disaster-burning-ship-spills-chemicals-beaches