Atmospheric chemistry – Page 7
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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
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NewsUnreported sources of sulfur dioxide emissions found
Satellite data highlights 39 ‘unreported and major’ man-made sources of sulfur dioxide
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ResearchGreenland ice sheet recoups subliming water vapour
Newly discovered part of the water cycle acts to conserve sheet mass
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PodcastAdventures in the Anthropocene by Gaia Vince – Book club
This month we consider the dawning of a new epoch as we discuss Gaia Vince’s Adventures in the Anthropocene
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FeatureA volatile question
VOCs are more than just a man-made problem. Anthony King looks through the wood to the trees
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ResearchResearchers raise a flag for high altitude sensors
Electric generator flaps in the wind and may usher in self-powered stratospheric sensors
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ResearchSnow soaks up pollutants from engine exhausts
Air quality regulators should consider freezing temperatures and snow
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Research
Nasa show human impact on atmosphere with pollution maps
Nitrogen dioxide emissions reflect trends in political climate, according to Nasa research
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ResearchNew camera makes methane visible
Infrared technique could be used to audit greenhouse gas sources such as factories, power stations and farms
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OpinionThe carbon capture challenge
Economics holds the key to solving climate change, says Mark Peplow
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ResearchAir pollution model predicts 6.6 million deaths by 2050
‘Business as usual’ scenarios suggest toxic emissions could kill millions of people in the near future
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ResearchLife of grime for atmospheric chemistry
Urban grime releases harmful pollutants when exposed to sunlight