Pollution – Page 15
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FeatureSustainable Covid-19 protection
Discarding our pandemic face masks could be an environmental disaster. Clare Sansom looks at the alternatives
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BusinessFatal explosion at US chemical plant
Blast at Optima facility killed one and injured three others
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ResearchTyre compound driving mystery salmon deaths identified after years of chemical detective work
Previously unknown substance washes from roads to spawning streams – and likely has wide impact on aquatic ecosystems
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OpinionMapping mercury contamination from mining
Social cartography as a tool for locating sources of pollution
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BusinessTaking plastic out of performance paper coatings
SGMA’s silicate sol-gel is a sustainable alternative for packaging such as coffee cups
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ResearchPets’ antiparasitic chemicals could be contaminating rivers
Chemicals used in veterinary products could be reaching English rivers, threatening aquatic ecosystems
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ResearchAncient Maya communities were first to use zeolite to purify water
2000 years ago, people in Tikal were using the world’s most advanced water purification systems
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OpinionThe citizen scientists performing water research in Hong Kong
Trained volunteers are gathering information that’s as reliable as official data
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ResearchPlastic waste upcycled to high-value chemicals in one-pot process
Polyethylene chains are broken down and aromatised to produce valuable alkylaromatic products
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ResearchMechanochemistry shakes up carbon capture with simple way to trap gas
When ground in a ball mill, solid lysine traps carbon dioxide in a quick and reversible manner
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BusinessEU commits to overhaul of chemicals legislation
The Chemicals Strategy for Sustainability promises the biggest reform since Reach
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NewsMario Molina, who warned of CFC threat to the ozone layer, dies
Atmospheric chemist’s work led to the phasing out of ozone-depleting substances
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ResearchValuable difluoromethylating agent obtained from refrigerant waste
Mild conditions used to turn a potent greenhouse gas into a bench stable and useful chemical reagent
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BusinessArkema acquitted over hurricane fire emissions
US Judge rules there is insufficient evidence to bring criminal charges relating to peroxide fire caused by flooding in 2017
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ResearchBreast milk analysis detects both legacy and emerging fluorinated compounds
Previous focus on legacy substances may have severely underestimated overall exposure of breastfed infants to PFASs
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PodcastOxybenzone
This summer’s extreme weather prompts Katrina Krämer to investigate the history of sunblock and the ingredient blamed by some for bleaching coral reefs
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CareersHow chemo-ethnography puts chemistry in context
New social science fields are exploring how chemists and chemicals affect society
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NewsPFAS incineration study cancelled by US environment agency
Head of the Environmental Protection Agency blames move on former employee
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ResearchNoble metals dissolved without aqua regia
Decades-old study inspires acidic salt solutions for recovering gold and platinum group metals from catalytic waste
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BusinessUncovering the sources of contaminated sanitisers
Methanol and 1-propanol could get into hand gels by unintentional or deliberate adulteration