Our group combines data from multiple platforms (models, aircraft, satellites, lab and field measurements) to better understand the influence of humans on atmospheric chemistry, air quality, and climate from urban to regional to global scales.

Recent news and highlights from our group:

Maps of burning season fire emissions of NOx and NH3 in southern Africa
Satellite-derived estimates of reactive nitrogen emissions from fires in Southern Africa.
[Find out more in our recently published paper]
UNEP-UNOOSA small experts group
Eloise invited expert for joint UNEP-UNOOSA workshop on environmental impacts of space activities
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GoFundMe rocket pollution
We've created a GoFundMe page to crowdsource funding to expand on our rocket launch emissions tracker.
Show your support and generosity by sharing and donating!
Re-entry object locations and mass
Check out our interactive rocket launch and object re-entry emissions tracker for 2020-2022.
TROPOMI-derived vertically resolved tropospheric NO2
Near-automated estimate of NOx emissions from satellites applied to large cities in Asia.
[Find out more in our recent JGR paper]
Jacob group alumni get-together during AGU
Jacob group alumni get-together at AGU 2024.
BBC Rare Earth host and guests
Eloise guest with Tim Peake on BBC 4 Rare Earth podcast episode The Final Frontier.
TROPOMI-derived vertically resolved tropospheric NO2
Our work retrieving and validating vertically resolved NO2 from TROPOMI now in ACP.
Premature deaths in fast-growing tropical cities from exposure to air pollution
Our work on elucidating the influence O&G end-use on summer air quality in the eastern US now in ES&T.
Premature deaths in fast-growing tropical cities from exposure to air pollution
Our work on satellite megaconstellation air pollutant and CO2 emissions available from Nature Scientific Data.
Group photo on UCL campus
Eloise on BBC Radio 4's Inside Science to discuss how green is space travel
Vredeport Crater
Report by Eloise halts natural gas production at a UNESCO Heritage Site. Link to news article
Professor promotion 2024
Professor promotion celebration dinner at Bloomsbury Street Kitchen.
IGC11 2024 photo
GEOS-Chem User's Meeting in St Louis in June 2024.
Re-entry pollution
Ryan et al. (2022) awarded Wiley certificate for most downloaded article.
Re-entry pollution
Connor and Eloise presented at the ESA workshop on Understanding the Atmospheric Effects of Spacecraft Re-entry.
[Talk slides on Presentations page]
Air pollution in tropical cities
Public health benefits if the UK adopted the best available emission control measures.
[Find out more in our recent GeoHealth paper]
Air pollution in tropical cities
Karn speaks to the BBC about his research on rapid air quality degradation in tropical cities
Ozone air pollution in Central London
Heatwaves and ozone air pollution in Central London.
[Find out more in our recent ACP paper]
PM2.5 source contributors in UK cities
Rural agriculture and pollution from continental Europe dominant source of PM2.5 in UK cities.
[Find out more in our recently published paper]
Our work on the impact of rocket launches on climate and the ozone layer published in Earth's Future.
Premature deaths in fast-growing tropical cities from exposure to air pollution
Our work on the rise in early deaths from air pollution in fast-growing tropical cities now in Science Advances.
Powership emissions
Our work on greenhouse gas and air pollutant emissions from powerships now in Environ. Sci. Adv.
Image of NH3 emissions
Our work on satellite-derived UK ammonia emissions published in the J. Geophys. Res.