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McNeill Group
@mcneill-lab.org
Aerosols, Atmospheric Chemistry, and Air Quality @Columbia University. PI: @vfmcneill.bsky.social https://mcneill-lab.org/
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Our new article out today takes a hard look at some practical limitations on stratospheric aerosol injection and what they means for the riskiness of this approach. @mcneill-lab.org w/ @gwagner.com & @steingart.bsky.social @climate.columbia.edu @columbiaseas.bsky.social

Here's the press release:
How hard is it to dim the Sun?
Solar radiation management is gaining traction as a climate intervention—but new research warns that real-world constraints make it riskier and more uncertain than most models suggest.
www.eurekalert.org
October 21, 2025 at 10:02 AM
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Columbia Dinner 🩵🩵🩵 with Westervelt Group @dwesty.bsky.social , @mcneill-lab.org past and present, @aqtoolbox.org and some additional @climate.columbia.edu friends! #AAAR2025
October 17, 2025 at 1:18 AM
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Awesome presentations by @mcneill-lab.org members Sathish Swaminathan and Miranda Hack (on behalf of @ryanward.bsky.social) today! If you didn't catch him today, Sathish is presenting on local can regional contributions to PM2.5 in West Bengal, India tomorrow morning at 9AM (11RM.5) #AAAR2025
October 16, 2025 at 8:14 PM
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September 5, 2025 at 9:08 PM
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Join us!
September 5, 2025 at 9:10 PM
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Very happy to see this paper out! This has been a fun collaboration between @mcneill-lab.org and the Grassian group at UCSD. We are moving closer towards model representations of this intriguing size dependent microdroplet chemistry. Modeling by @sandhyasethuraman.bsky.social !
Size Dependent Uncatalyzed Sulfite Oxidation in Aqueous Microdroplets
Aqueous aerosols and microdroplets exhibit unique chemical kinetics relative to the bulk phase, impacting air quality and climate via multiphase atmospheric processes. Here, we investigate uncatalyzed...
pubs.acs.org
September 12, 2025 at 2:49 PM
We're verified now! 💅
December 4, 2024 at 9:25 PM
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Awesome group meeting today @mcneillgroup.bsky.social ! Days like this make me love my job.
April 5, 2024 at 5:21 PM
TFW the boss finally updates your website mcneill-lab.org/welcome-new-...
Welcome new McNeill Group members! – McNeill Group @ Columbia University
mcneill-lab.org
October 4, 2024 at 8:35 PM
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@mcneillgroup.bsky.social unsung heroes of Climate Week @ Columbia Engineering! Not shown: ringleader @sandhyasethuraman.bsky.social 👑👑👑
September 26, 2024 at 10:19 PM
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Happy to spend time together and say goodbye to this semester! @mcneillgroup.bsky.social
May 10, 2024 at 9:01 PM
We didn't notice the earthquake because Trevor's presentation was so good!
Awesome group meeting today @mcneillgroup.bsky.social ! Days like this make me love my job.
April 5, 2024 at 5:32 PM
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Well the iron redox summoning circle helped!? Code is working... for now
When you're having a totally normal one at work
February 20, 2024 at 11:07 PM
Huynh and McNeill (2024) review article featured on Environ. Sci: Atmos. cover mcneill-lab.org/huynh-and-mc...

Link to Huynh and McNeill (2024): pubs.rsc.org/en/content/a...
February 15, 2024 at 7:20 PM
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Nice! Mostly I am relieved the biggest word wasn't "elucidate" 🤣 @mcneillgroup.bsky.social (Make yours at scholargoggler.com)
February 12, 2024 at 9:33 PM
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Big air quality news www.npr.org/2024/02/07/1...
February 7, 2024 at 4:30 PM
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Check out the Winter issue of AAAR Particulars, with a message from the President (moi), Aerosol Scientist spotlight, and more aaarpubs.org/issues/winte...
Winter 2024 - AAAR Particulars
This Issue’s Newsletter Committee: Editor | Dong Gao, Yale UniversitySenior Assistant Editor | Sarah Petters, University of California, RiversideJunior Assistant Editor | Lindsay Yee, University of California, BerkeleyGuest Contributor | Qian Zhang, UL Research Institute   Find the latest open position on the AAAR Career Opportunities page!
aaarpubs.org
February 8, 2024 at 2:56 PM
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After 1.5 years in review, I am very happy to announce the latest @mcneillgroup.bsky.social publication "The Potential Environmental and Climate Impacts of Stratospheric Aerosol Injection: A Review" in Environmental Science: Atmospheres pubs.rsc.org/en/content/a...
The Potential Environmental and Climate Impacts of Stratospheric Aerosol Injection: A Review
Given the rise in global mean temperature as a direct consequence of increasing levels of greenhouse gases (GHG) in the atmosphere, a variety of climate engineering approaches, including stratospheric...
pubs.rsc.org
January 15, 2024 at 6:13 PM
We're happy to have collaborated with @dwesty.bsky.social on this paper, which appears in the first issue of ACS ES&T Air today: pubs.acs.org/doi/full/10....
January 12, 2024 at 6:11 PM