Atmospheric chemistry – Page 2
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NewsRecord-high carbon dioxide emissions from boreal fires
Boreal fires usually produce about 10% of global carbon dioxide emissions from wildfires worldwide, but the figure peaked at one quarter in 2021
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FeatureMission to Uranus
With no spacecraft visiting the ice giants for over 30 years, Anthony King speaks to the planetary scientists planning a return visit
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NewsOne year on from massive eruption in South Pacific, the atmosphere is still feeling the effects
Scientists make ‘once in a lifetime’ observations as Hunga Tonga volcano found to have warmed the planet
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OpinionBottling summer lightning
Our features editor reflects on how nature’s sound and light show affects the atmosphere, and the long track to harness fusion
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OpinionJames Lovelock, a gentleman scientist
Philip Ball reflects on the legacy of the creator of the Gaia hypothesis, who has died aged 103
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ResearchQuantum tunnelling enhances ozone decay
The OH + HCl → H2O + Cl reaction rate is boosted by strong hydrogen bonding, which generates quantum transition states
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FeatureA lightning burst of chemistry
Trying to understand the chemistry that occurs around immensely powerful but short-lived lightning bolts is a feat in itself. James Mitchell Crow looks for a flash of inspiration
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NewsCan negative emissions technology clear the air without costing the Earth?
Counting the energy cost of capturing carbon dioxide
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ResearchHydrotrioxides are in the air
10 million tonnes of the highly reactive three-oxygen compounds could form in Earth’s atmosphere every year
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ResearchAtmospheric helium increasing at a measurable rate
Air samples revealed a rate of increase beyond expected natural variations
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OpinionSusan Solomon: ‘We had to literally stand out on the roof’
The atmospheric chemist on battling the elements in Antarctica and preserving the integrity of science
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ResearchSpotlight shone on sped up photochemical reactions in droplets
Light can produce ‘hot spots’ in aerosols that supercharge reaction rates
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FeatureThe secrets of the sulfur cycle
There’s still a lot we don’t know about the biogeochemical cycling of sulfur, and this could impact our ability to correctly model the climate. Rachel Brazil talks to the researchers trying to fill in the gaps.
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ResearchMassive Australian wildfires caused new damage to the ozone layer
Smoke particles caused a drop in chlorine-binding chemicals that set back the ozone layer’s recovery by 10 years
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ResearchSimulations reveal how manipulating ocean acidity could lower atmospheric carbon dioxide levels
Strategy would see surface acidity pumped into deeper ocean layers
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ResearchRising ozone pollution threatens east Asia’s cereal crops
Losses of wheat, rice and maize add up to $63 billion every year
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FeatureThomas Midgley and the toxic legacy of leaded fuel
Leaded petrol was around for 100 years, and the campaign against it for almost as long. Mike Sutton reveals its history
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NewsUS National Academies proposes $125 million ocean carbon sequestration effort
Proposed programme would study the potential of various ocean-based carbon dioxide removal strategies to address climate change
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NewsNasa makes plans to return to Venus to probe the hellish chemistry of its atmosphere
Probe set to launch in 2029 may be able to establish whether life ever existed there and answer the phosphine question
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OpinionReverse combustion is preparing for takeoff
Where burning hydrocarbons is unavoidable, creating them from atmospheric carbon is a promising option