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Business3M pledges to exit PFAS manufacturing
Conglomerate will remove fluorochemicals from portfolio in a bid to stay ahead of rapidly tightening regulations
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Research
Water-splitting device solves puzzle of producing hydrogen direct from seawater
System offers scalable way to turn oceans into energy source
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Research
Bioelectric bacteria-powered sensor detects water contaminants in real time
Synthetic biology harnessed to detect endocrine disruptor and thiosulfate
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Research
Mars’ water came from outer space
Asteroids from the outer solar system would have delivered enough water to cover the red planet in a 300m-deep ocean
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Research
Mystery of speedy proton hopping in water unravelled
X-ray spectroscopy helps scientists understand how protons move in water
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News
Dramatic gulf between global PFAS guidelines and those in the US
The World Health Organization’s new drinking water guidance for PFOA and PFOS is thousands of times less stringent than the EPA’s
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Business
Mallinckrodt 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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Research
Carbon-negative concrete blocks could be made using magnesium from seawater
Electrolyser route avoids need for calcination step
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Research
Perseverance 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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Research
Chemical 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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Business
Chemours sues over US PFAS safety limit
Fluoropolymer maker appeals new safety standard for GenX, calling it ‘scientifically unsound’
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News
Water 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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Research
Chiral 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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News
First James Webb Space Telescope images provide taste of astrochemistry still to come
Observatory off to bright start revealing chemical make-up of the universe
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Research
Polymer membrane could tap huge reserves of ‘blue energy’ from estuaries’ salt gradients
Solution to performance stalemate means tidal rivers’ vast electrochemical power could be harnessed
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Research
Teflon-inspired nanochannels outperform biological water transporters
Extreme water repellence of fluorinated surfaces leads to unprecedented permeation rates
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Opinion
Wastewater has huge potential for global health
Monitoring programmes can help healthcare and empower communities
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Feature
The human health observatory in our sewers
From tracking disease outbreaks to monitoring drug use, there’s a lot to be learned from the things we flush down the toilet, Katrina Krämer finds
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Research
Sunscreen’s coral-killing mechanism uncovered
Sea anemones and corals convert oxybenzone into phototoxic compounds
