Environmental science – Page 22
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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
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OpinionJames Lovelock, a gentleman scientist
Philip Ball reflects on the legacy of the creator of the Gaia hypothesis, who has died aged 103
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NewsHow to put an end to ‘forever chemicals’ and annihilate PFAS pollution
To fight the planet’s persistent perfluorinated problem new and repurposed technologies are being rolled out
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BusinessChemours sues over US PFAS safety limit
Fluoropolymer maker appeals new safety standard for GenX, calling it ‘scientifically unsound’
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NewsWater companies’ pollution record in England described as criminal by Environment Agency
Body calls for prison sentences for failing chief executives and board members
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ResearchChiral molecules beat magnets when it comes to boosting water splitting
Decorating the catalyst with helicenes doubles the activity of the oxygen evolution reaction
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OpinionFarsighted science
The Webb telescope looks set to deliver on its promise to change the way we see the universe
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ResearchQuantum tunnelling enhances ozone decay
The OH + HCl → H2O + Cl reaction rate is boosted by strong hydrogen bonding, which generates quantum transition states
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NewsFirst James Webb Space Telescope images provide taste of astrochemistry still to come
Observatory off to bright start revealing chemical make-up of the universe