Atmosphere
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ResearchCorrections promise more accurate CO2 measurements from space
Improvements to cavity ring-down spectroscopy could also benefit quantum science
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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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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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ResearchCutting 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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PodcastNitrogenase
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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ResearchChloroform poses new threat to ozone recovery
Models of observational data trace anthropogenic emissions back to China
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ReviewThe 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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ResearchChinese 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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PodcastLow-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