Environmental Geochemistry Issues Semi-Monthly

Gold mining restricts Amazon rainforest recovery (News Release, University of Leeds ; 29 June 2020) https://www.leeds.ac.uk/news/article/4619/gold_mining_restricts_amazon_rainforest_recovery Featured Research Article: Limited biomass recovery from gold mining in Amazonian forests (KALAMANDEEN et al. , 2020) https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/1365-2664.13669 Also... PR | Expert report:  Proposed gold mine in Brazilian Amazon presents unacceptable risk (Rede XINGU and Moviemento XINGU, Vivo para Sempre; International Rivers ; June 17, 2020) https://www.internationalrivers.org/blogs/260/pr-expert-report-proposed-gold-mine-in-brazilian-amazon-presents-unacceptable-risk Gold rush, mercury legacy:  Small-scale mining for gold has produced long-lasting toxic pollution from 1860s California to modern Peru (Jacqueline GERSON, Austin WADLE and Jasmine PARHAM,   The Conversation ; May 28, 2020) https://theconversation.com/gold-r...

By Roger McLassus - Picture taken and uploaded by Roger McLassus., CC BY-SA 3.0 , Link EPA Issues Final Action for Perchlorate in Drinking Water (News Release, U. S. EPA ; June 18, 2020) https://www.epa.gov/newsreleases/epa-issues-final-action-perchlorate-drinking-water EPA Blows Up Court Order Over Rocket Fuel Contaminant in Drinking Water (Press Release, NRDC ; June 18, 2020) https://www.nrdc.org/media/2020/200618-0 Publications: Technical Fact Sheet - Perchlorate ( U. S. EPA ; January 2014) https://www.epa.gov/sites/production/files/2014-03/documents/ffrrofactsheet_contaminant_perchlorate_january2014_final.pdf Understanding Units of Measurement ( Terri K. BOGUSKI, 2006 ) https://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.files/fileid/14285 Website: Perchlorate [ Human and Ecological Risk Office ( HERO ) - California Department of Toxic Substances Control ] https://dtsc.ca.gov/perchlorate/ Perchlorate Ion

Lake Pyasino ( NASA , 2006) Public Domain, Link Siberian oil spill contaminates Arctic lake [News, Agence France Presse (AFP) , June 9, 2020] Russia says 'years' needed to clean up Arctic spill [News, Agence France Presse (AFP) ; June 10, 2020] https://www.afp.com/en/news/3954/russia-says-years-needed-clean-arctic-spill-doc-1t769h1 Update : Russian mining giant admits waste ‘violations’ at Arctic plant [Live News,  France 24/Agence France Presse ( AFP ) ; 28 June 2020] https://www.france24.com/en/20200628-russian-mining-giant-admits-waste-violations-at-arctic-plant Arctic Circle Oil Spill  ( European Space Agency ; 5 June 2020) By Contains modified Copernicus Sentinel data 2020, Attribution, Link

Federal Court Holds Dicamba Pesticide Unlawful, Citing Unprecedented Drift Damage to Millions of Acres : The U.S. Court of Appeals for the 9th Circuit today ruled that the Trump administration wrongly approved Monsanto’s pesticide dicamba for use on genetically engineered soy and cotton – a decision that makes the sale and use of the pesticide illegal. The 56-page opinion held the Environmental Protection Agency’s 2018 registration of the dicamba formulas unlawful because it “substantially understated risks that it acknowledged and failed entirely to acknowledge other risks.” (Press Release, Center for Biological Diversity ; June 4, 2020) UPDATED - Court overturns EPA approval of Bayer dicamba herbicide; say  "understated the risks" (Carey GILLAM, U. S. Right to Know ; June 3, 2020) https://usrtk.org/pesticides/court-orders-epa-approvals-of-bayer-dicamba-herbicide-vacated-says-regulator-understated-the-risks/ Spraying field near Smith River School, Californi...