Pollution – Page 20
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FeatureA persistent perfluorinated problem
PFASs were used in household and industrial products for decades before their harmful health effects and biopersistence came to light. Rebecca Trager investigates a messy situation
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NewsConcerns raised over ‘regrettable’ BPA substitutions
Research indicates chemicals used as alternatives to bisphenol A in polycarbonate plastics and epoxy resins aren’t always safer
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ResearchSelective graphene membranes could invigorate carbon capture technology
Concept shows promise as a way to sidestep the energy penalties of numerous industrial separations
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BusinessEnhancing solvents' sustainability
Increased recycling and replacing toxic solvents with greener alternatives will reduce environmental impact
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ResearchNanotube catalysts spring into action on microplastic waste
Helical carbon nanotubes activate an oxidant that produces polymer-degrading free radicals
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NewsRussian role in Europe-wide radiation leak two years ago confirmed
Evidence mounts that Mayak facility was responsible for ruthenium release as ‘satellite crash’ explanation given by Russian officials scorned
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PodcastPolypropylene
Microplastics, including polypropylene, are present in our oceans, on our beaches and even in bottled water. Ian Robertson investigates the scale and some solutions
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NewsUK MPs criticise government inaction on harmful chemicals
A report calls for urgent changes to the way flame retardants and packaging additives are regulated
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ResearchSinking wastewater from oilfields could be causing stronger earthquakes
Effects can continue for over a decade after disposal ends
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FeatureFiring up an air pollution problem
Wild fires adversely affect air quality nearby and far beyond. Nina Notman investigates this escalating problem
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ResearchHelicopter NMR prepares to detect Arctic oil spills
ExxonMobil-funded project readies giant airborne coil for accidents as shipping lanes open up
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NewsUS air bases blamed for fluorinated pollutants on Japanese island
Diplomatic tensions between the two nations have been stoked by accusations that the US military has polluted Okinawa with PFAS chemicals
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ReviewClearing the Air: The Beginning and the End of Air Pollution
Jamie Durrani reviews Tim Smedley’s new book
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ResearchChina identified as source of unexpected rise in CFC emissions
New production believed to be responsible for increasing levels of outlawed ozone-depleting chemical
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NewsInternational Space Station experiments will search for key to soot-free flames
Microgravity research could help to burn fuels more cleanly and cut soot’s contribution to ill health and climate change
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FeatureThe problem of particulate air pollution
Small particles in the air can find their way into the brains of growing children, with seriously unpleasant consequences. Anthony King reports
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BusinessAt least six dead in explosions in US and Russia
Blasts at silicones and fertiliser plants each leave three confirmed dead
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ResearchConverting waste plastic bottles into jet fuel
Simple three-step process generates minimal waste and diverts plastic from landfill
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ResearchNew family of polymers can be easily recycled and even upcycled
Dynamic covalent bonds means polymers can be taken apart by acid