![IGC11 2024 photo](images_news/group-photo-igc11-jun2024.jpeg)
GEOS-Chem User's Meeting in St Louis in June 2024.
![EGU 2024 photo](images_news/egu-2024-group-photo.jpeg)
The group at the EGU meeting in April 2024.
![Re-entry pollution](images_news/Wiley-EF-most-downloaded-article-certificate.png)
Ryan et al. (2022) awarded Wiley certificate for most downloaded article.
![Re-entry pollution](images_news/esa-estec-re-entry-workshop.jpg)
Connor and Eloise presented at the ESA workshop on Understanding the Atmospheric Effects of Spacecraft Re-entry.
[Talk slides on Presentations page]
![Group photo on UCL campus](images_news/vohra-et-al-premature-mortality-tropical-cities.png)
Karn speaks to the BBC about his research on rapid air quality degradation in tropical cities
![Group photo on UCL campus](images_news/gce2-meeting-attendees.jpg)
2nd Regional Europe GEOS-Chem User's Meeting at UCL in August 2023
![Group photo on UCL campus](images_news/marais-group-photo-aug2023.jpg)
Group photo with (left to right) Karn, Gongda, Connor, Eloise, Bex, Eleanor, Nana
![Ozone air pollution in Central London](images_news/central-london-ozone-air-pollution-2022.png)
Heatwaves and ozone air pollution in Central London.
[Find out more in our recently published ACP paper].
![The Guardian article](images_news/TheGuardian-PollutionWatch-Mar2023.png)
The Guardian covers our work on the ubiquitous influence of agriculture on PM2.5 in UK cities.
![Photo of Connor Barker](images_news/connor_barker_ucl_geog_postdoc.png)
Connor Barker joins the group for a postdoc on dry deposition of oxygenated VOCs and the impact of megaconstellation missions on the atmosphere.
![PM2.5 source contributors in UK cities](images_news/kelly-cacint-2023.png)
Rural agriculture and pollution from continental Europe dominant source of PM2.5 in UK cities.
[Find out more in our recently published paper]
[Find out more in our recently published paper]
![Group photo on UCL campus](images_news/marais-group-photo-sept2022.jpg)
Our first in-person group photo since the pandemic.
[Left to right: Gongda, Rob, Nana, Eloise, Eleanor, Karn, Bex]
[Left to right: Gongda, Rob, Nana, Eloise, Eleanor, Karn, Bex]
![Group photo at iCACGP-IGAC Joint Conference in Manchester](images_news/Group_photo_IGAC_2022.jpeg)
Members of the group at the iCACGP-IGAC Joint Conference in Manchester.
![UCL MAX-DOAS](images_news/max-doas-aerosol-pollution-fires-19jul2022.png)
Our new Central London MAX-DOAS detects aerosol pollution from fires during the July 2022 heatwave
![UCL MAX-DOAS](images_news/ucl-max-doas.jpg)
Our new MAX-DOAS up and running on the rooftop of an 11-story building at UCL
Our work on the impact of rocket launches on climate and the ozone layer published in Earth's Future.
![Conversation piece (June 2022)](images_news/Conversation_June2022.jpg)
The Conversation piece on the likely health crisis from rapidly developing African cities.
![Group photo at IGC10, Washington University of St. Louis, USA](images_news/WashU_Group_June2022_1.jpg)
Members of the group at the International GEOS-Chem User's Meeting in St. Louis, Missouri.
![Premature deaths in fast-growing tropical cities from exposure to air pollution](images_news/Vohra_SciAdv_2022_tropics_aq_early_deaths.png)
Our work on the rise in early deaths from air pollution in fast-growing tropical cities now in Science Advances.
![Powership emissions](images_news/powerships-ghg-air-pollution-paper.png)
Our work on greenhouse gas and air pollutant emissions from powerships now in Environ. Sci. Adv.
![Image of NH3 emissions](./images_news/eo-uk-nh3-emissions.png)
Our work on satellite-derived UK ammonia emissions published in the J. Geophys. Res.
![Image of prevalent sources of VOCs](./images_news/tropomi-ut-no2-amt-2021.png)
Our work on global observations of upper tropospheric NO2 from TROPOMI published in AMT
![Premature mortality in Europe due to fossil fuel air pollution](./images_news/Vohra_2021_FFM.png)
Our work on substantial global mortality from fossil fuel air pollution published in Environ. Res.