Atmospheric chemistry – Page 4
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Research
Solo palladium in catalytic copper alloy reduces nitric oxide from vehicle exhausts
First system to work at low temperatures that doesn’t generate nitrous oxide
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Research
Corrections promise more accurate CO2 measurements from space
Improvements to cavity ring-down spectroscopy could also benefit quantum science
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Feature
Firing 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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Review
Clearing the Air: The Beginning and the End of Air Pollution
Jamie Durrani reviews Tim Smedley’s new book
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Research
China 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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Research
Cutting ammonia pollution may lead to more acid rain in China
Any effort to target ammonia should aim to reduce sulfur dioxide pollution at the same time
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Podcast
Nitrogenase
The mysterious enzyme that can beat the world’s biggest chemical process when it comes to breaking the dinitrogen triple bond
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Research
Chloroform poses new threat to ozone recovery
Models of observational data trace anthropogenic emissions back to China
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Review
The Weather Detective: Rediscovering Nature’s Secret Signs
Peter Wohlleben’s book shows urbanites how to re-connect with nature through the weather
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Research
Chinese cave holds carbon dating ‘Holy Grail’
Carbon-14 measurements from stalagmites takes carbon dating back as far as it can go
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Podcast
Low-background steel
Post-nuclear steel is a little bit radioactive, so for some specialist jobs we need to find a source of steel from before the bomb
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News
Ozone healing confirmed in Montreal Protocol assessment
Latest projections say ozone levels in the stratosphere will recover around the middle of the century
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Research
Carbon dioxide screwing mechanism in porous crystal unravelled
Solid-state NMR used to probe dynamics of selective gas uptake
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News
Negative emissions technology needed to remove CO2 and head off climate change
Technologies that pull carbon dioxide from the air and sequester it are economically viable and part of package of measures to mitigate climate change, US National Academies says
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Feature
The atmospheric nitrogen question
Pollutants, key atmospheric components and vital fertilisers: nitrogen compounds are all of these, as Emma Davies finds out
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Research
Paint achieves seemingly impossible by cooling buildings in direct sun
Coating offers a route to zero-carbon air conditioning
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Feature
Ozone: the hole story
There is still a long road to recovery for the ozone layer, Emma Stoye finds
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Research
Exoplanet with heavy metal atmosphere discovered
Iron found for the first time in gas giant’s ultra-hot atmosphere
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Research
Illegal CFC production may be slowing ozone layer recovery
Surprise increase in trichlorofluoromethane emissions linked to east Asia
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Research
Rotten egg smell surrounds Uranus
Seventh planet’s topmost cloud layer is composed of hydrogen sulfide