Environmental science – Page 19
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BusinessMallinckrodt ordered to clean up US river mercury pollution
Firm must set at least $187 million in trust to pay for Penobscot river remediation
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NewsThe world’s largest atmospheric carbon dioxide removal project is coming
Direct air capture plant in Wyoming set to begin running by late 2023, remove of 5 million tonnes of carbon dioxide from the air annually by 2030
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NewsWhat to do with vast stockpiles of PFAS-laden firefighting foam?
Battelle’s new supercritical water oxidation technology has proven that it can destroy legacy foams containing ‘forever chemicals’
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ResearchPhotochemistry enables safer method for reprocessing plutonium and uranium mixtures
Method bypasses harsh redox reagents while maintaining high separation factors
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BusinessSetting the standard for calculating indirect emissions
Industry collaboration creates carbon footprinting guidelines for chemical products
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NewsCall for chemists to reorientate chemistry as a sustainability science
Chemists should take the lead to prevent the transgression of planetary boundaries
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ResearchLabs’ carbon footprint under scrutiny as tool calculates impact of buildings and scientists
Software reveals environmental impact of over 500 French labs
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OpinionThe end of a long race?
The finishing line of the Covid-19 pandemic may be in sight, but we mustn’t stop running just yet
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FeatureCan we clean Covid from the air around us?
Nina Notman talks to the experts about what is needed to remove pollutants and even infectious diseases from the air inside our homes, schools and offices
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NewsEU plots course to secure raw materials vital to a low-carbon economy
Russia’s war on Ukraine and the pandemic have highlighted the bloc’s dependence on unreliable suppliers
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NewsWarning that carbon capture not a silver bullet for climate change
Report notes that several projects have failed and captured carbon dioxide is often used to recover more oil
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NewsProposal to name PFAS chemicals as ‘hazardous’ alarms industry
EPA’s plan to designate PFOA and PFOS to be hazardous substances could hand chemical companies a clean-up bill for billions of dollars
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FeatureSoil searching
Rachel Brazil talks to the scientists trying to understand – and improve – the health of the planet’s soil
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ResearchCarbon-negative concrete blocks could be made using magnesium from seawater
Electrolyser route avoids need for calcination step
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ResearchCarbon dots help sniff out nanoplastics in the air
Electronic sensor developed that can detect airborne nanoplastics, including their types, amounts, and sizes
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ResearchPerseverance rover reveals rocks on Mars were repeatedly exposed to liquid water
Suite of analytical tools provides new insight into red planet’s geochemistry
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ResearchChemical decapitation renders PFAS harmless
An unexpected mechanism destroys persistent perfluorinated chemicals, though the method isn’t ready for the field yet
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OpinionReflections on rainwater
Water in the world’s pristine wildernesses is already unsafe to drink by new PFAS pollution standards
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OpinionBottling summer lightning
Our features editor reflects on how nature’s sound and light show affects the atmosphere, and the long track to harness fusion