Natural environment – Page 16
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ResearchUncovering the hidden nanoparticle dangers on dusty streets
Nanoparticles from street dust contribute to potentially hazardous air pollution in mega-cities
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ResearchOld CDs recycled into valuable plastic
One pot technique can turn polycarbonates into polymer used in specialist engineering and medical roles
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ResearchComputer program pins down carbon capturing ionic liquids
Simulations take guesswork out of finding optimal conditions for CO2 capture
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ResearchCarbon dioxide reduction put under the spotlight
Rhenium catalyst that responds to visible light can effectively reduce carbon dioxide
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ResearchMOF in a bottle
Waste plastic bottles become a source for porous metal–organic framework synthesis
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ResearchWater gets the mille-feuille treatment
Puff pastry-style filter paper is crème de la crème of virus filtration
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ResearchGreenland ice sheet recoups subliming water vapour
Newly discovered part of the water cycle acts to conserve sheet mass
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ResearchScientists claim to have seen ‘new state’ of water
Scepticism that water molecules with delocalised protons can be described as an unknown phase of water
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ResearchEarthly xenon’s asteroid origins reveal planet’s genesis
Discovery that atmospheric xenon is unrelated to that in the mantle hints at two separate extra-terrestrial ‘deliveries’ of the element
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ResearchBacteria seeded with synthetic pathways
Living factories provide alternative to complicated chemical syntheses or farming hectares of crops
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ResearchGrubbs’ catalyst drives tyre recycling
Rubbery networks broken down into reusable materials
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ResearchCarbon monoxide where you want it, when you want it
Hazardous bottled gas redundant thanks to methods that generate it at the point of use
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ResearchPlastic-eating bacteria show way to recycle plastic bottles sustainably
Two bacterial enzymes can break up PET polymer into its building blocks
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ResearchBurn to boost silver salvage from solar cells
Improved sterling recovery cuts environmental impact of solar cell recycling
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ResearchResearchers raise a flag for high altitude sensors
Electric generator flaps in the wind and may usher in self-powered stratospheric sensors
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ResearchSnow soaks up pollutants from engine exhausts
Air quality regulators should consider freezing temperatures and snow
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Research
Nasa show human impact on atmosphere with pollution maps
Nitrogen dioxide emissions reflect trends in political climate, according to Nasa research
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ResearchNew camera makes methane visible
Infrared technique could be used to audit greenhouse gas sources such as factories, power stations and farms
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ResearchSaving water increases health risks in green buildings
Study shows that sustainable plumbing systems may lower drinking water quality and help bacteria grow
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ResearchChlorinated compounds form in tea and coffee
Treated water reacts with organics to form disinfection byproducts