Atmospheric chemistry – Page 3
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NewsHow Covid gave the world a lesson in tackling air pollution
The pandemic has given atmospheric chemists the opportunity to study pollution and carbon emissions like never before
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OpinionVolunteers are keeping a vigilant eye on volcanoes in the West Indies
Community monitoring of seismic activity
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ResearchNewly identified greenhouse gas with no known use an ‘early warning’
Montreal Protocol doesn’t sufficiently control harmful by-products made during other chemical production processes, say atmospheric scientists
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FeatureThe hellish chemistry of Venus’ atmosphere
The potential presence of phosphine on Venus is only the latest twist in the strange chemistry of our planetary neighbour, finds Clare Sansom
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ResearchAtmospheric chemistry discovery could help Indian cities clear away the haze
High local HCl concentrations found to boost haze and fog formation in Delhi and Chennai
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NewsNobel laureate Paul Crutzen, who coined the term Anthropocene, dies
Cutzen’s passing means that all three scientists who won the 1995 chemistry Nobel prize for their ozone formation and decomposition work are gone
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OpinionClimate action plans will point to methane metrics in 2021
It’s good to see policymakers and companies making methane emissions data a priority
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ResearchActive volcano’s carbon emissions sampled by drones
Volcanic gas monitoring could help to predict future eruptions and understand the impacts of climate change
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NewsMario Molina, who warned of CFC threat to the ozone layer, dies
Atmospheric chemist’s work led to the phasing out of ozone-depleting substances
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BusinessArkema acquitted over hurricane fire emissions
US Judge rules there is insufficient evidence to bring criminal charges relating to peroxide fire caused by flooding in 2017
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BusinessQuestions surround deadly Beirut blast
Ammonium nitrate explosion that killed at least 135 appears to have been caused by poorly-stored cargo from an abandoned vessel
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FeatureThe complex chemistry of fire
Despite its ubiquity in human life, chemists have still barely unlocked what’s happening amid the flames. Kit Chapman reports
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ResearchHow the products of fire control the formation of snow
Nadine Borduas-Dedekind brings an organic chemist’s arrow-pushing insight to reactions in the atmosphere
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NewsCan negative emission technologies overcome climate catastrophe?
Reforestation, carbon capture and storage, direct air capture are among the ‘Nets’ that could remove CO2 from the atmosphere
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ResearchCFCs responsible for half of Arctic sea-ice loss
Halogenated compounds responsible for one third of global warming in the late 20th century
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BusinessLeaking filter caused deadly explosion at US plant
Blast that killed one and injured 30 others at a KMCO facility in Texas was caused by hole in pipe component
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ResearchIron in Earth’s magma oceans forged diamonds deep underground
Findings could also explain differences between the atmospheres of different planets
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ResearchSolo 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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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