Atmospheric chemistry – Page 6
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ResearchNanosized ice crystals might be the most cubic possible
Ultrafast freezing at supersonic speed produces ice with 80% cubic crystal structure
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ResearchDuller sea spray may mean climate models need a rethink
Underestimation of aerosols’ water absorption means reflectivity is lower than expected
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ResearchStratospheric dichloromethane could delay ozone recovery by decades
Rising levels of the industrial solvent could offset benefits of the Montreal Protocol
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NewsHeavy metal's revenge
Climate change could see levels of toxic mercury rise again even as the world cuts emissions
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ResearchRecord-breaking laser technique detects gas at parts per quadrillion
Three different resonances enable photoacoustic gas detection with unprecedented accuracy
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ResearchWatery atmosphere discovered on Neptune-sized exoplanet
Data from Hubble and Spitzer telescopes gives clues to planet’s formation
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NewsGovernment releases plan to tackle nitrogen dioxide pollution
Draft air quality plan aims to bring UK emissions back down to legal levels
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ResearchAlkaline surprise for acid rain formation
Ammonia can catalyse the hydrolysis of sulfur trioxide to sulfuric acid in the atmosphere
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ResearchSqueezing the last of the sulfur from fuels
Simple reaction that removes almost all sulfur from diesel would help to cut emissions that cause acid rain
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ResearchExcess VW emissions could cause 1200 deaths
Nitrogen oxides pollution from cars with emissions cheating devices could mean some die a decade earlier
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ResearchCloudy with a chance of catalysis
Simulation of hydrogen bond interactions gives valuable new insights into how acid rain forms
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FeatureUrban air pollution
Nina Notman meets the chemists breathing fresh air into urban air pollution research
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ResearchAtmospheric limestone dust injection could halt global warming
Geoengineering using limestone aerosols would also help to stop ozone layer depletion
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ResearchRising human carbon dioxide emissions offset by plants – for now
Terrestrial sinks are soaking up extra carbon dioxide but scientists warn this won’t go on forever
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NewsToxic gas plume spreading across Iraq
Sulfur dioxide from mine fire is responsible for at least two deaths
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NewsGiant vacuum cleaner to suck up pollution
Rooftop system designed to filter toxic particles from city smog
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NewsNations agree hydrofluorocarbon climate deal
Montreal Protocol amendment ‘single most important step to limit warming’
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ResearchPigeons used to map lead pollution in cities
Researchers find lead levels in pigeons mirror those of children in New York City
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ResearchAntarctic ozone layer is on the mend
Treaty brought in to tackle CFCs has visible impact on ozone healing
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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