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Rachel O'Brien

@reobrien.bsky.social

Environmental Engineer, Atmospheric Chemist, Assistant Professor at the University of Michigan. they/she. opinions are my own.🌈

2,442 Followers  |  607 Following  |  721 Posts  |  Joined: 20.06.2023  |  1.7892

Latest posts by reobrien.bsky.social on Bluesky

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KΔ«lauea, Episode 42

16.02.2026 15:41 β€” πŸ‘ 11    πŸ” 2    πŸ’¬ 1    πŸ“Œ 0
[V1cam] KΔ«lauea volcano, Hawaii (west HalemaΚ»umaΚ»u crater)
YouTube video by USGS [V1cam] KΔ«lauea volcano, Hawaii (west HalemaΚ»umaΚ»u crater)

Kilauea's erupting, too. Dramatically.

16.02.2026 01:42 β€” πŸ‘ 85    πŸ” 25    πŸ’¬ 4    πŸ“Œ 2
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National Academy of Engineering Elects 130 Members and 28 International Members The National Academy of Engineering (NAE) today announced the election of 130 members and 28 international members to its Class of 2026, said NAE President ...

Congrats to Doug Worsnop for being elected into NAE!

www.nae.edu/345149/NAENe...

13.02.2026 11:25 β€” πŸ‘ 5    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Transitioning NCAR-Wyoming Supercomputing Center operations The U.S. National Science Foundation has informed the NSF National Center for Atmospheric Research (NCAR) that management and operations of the NCAR-Wyoming Supercomputing Center are expected to…

www.nsf.gov/news/transit...

I wish I had a good read on this, but I don’t and neither does anyone else right now. Definitely not good, but not clear how bad and how fast things could change now. Still time to respond to the DCL and say NCAR must stay together. If not for NCAR’s sake, for yours…

13.02.2026 03:53 β€” πŸ‘ 14    πŸ” 4    πŸ’¬ 0    πŸ“Œ 2
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What Americans Lose If Their National Center for Atmospheric Research Is Dismantled - Eos Five ways dismantling NCAR will cost the American people, and two ways to save it.

On a busy day for science policy, it looks like oversight and operations of NCAR’s supercomputing center are transitioning to a third-party operator. www.nsf.gov/news/transit...

Lean more about the costs of dismantling NCAR with this opinion from @carlonimbus.bsky.social.

13.02.2026 01:13 β€” πŸ‘ 28    πŸ” 16    πŸ’¬ 0    πŸ“Œ 2

Good outcome from that really icky Super Bowl commercial.

13.02.2026 02:21 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Two new faculty openings at U. Minnesota πŸ§ͺ

Assist. Prof. in Climate Science
hr.myu.umn.edu/jobs/ext/372...
Questions: Tim Griffis, tgriffis@umn.edu

Assist. Prof. in Soil Physics / Ecohydrology / Hydropedology
hr.myu.umn.edu/jobs/ext/372...
Questions: David Mulla, mulla003@umn.edu

Due March 13

11.02.2026 08:48 β€” πŸ‘ 6    πŸ” 7    πŸ’¬ 0    πŸ“Œ 0

This is really cool! I like how the atmospheric chemists have their own little cluster :)

bluesky-map.theo.io

10.02.2026 10:12 β€” πŸ‘ 8    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

I love that it was a real wedding!

09.02.2026 13:13 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

I didn't realize how much I miss the muppets.

06.02.2026 02:36 β€” πŸ‘ 8    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Miss Piggy and Sabrina Carpenter

Miss Piggy and Sabrina Carpenter

I'm impressed at how logistically, Sabrina Carpenter is like the perfect height to host the Muppets

04.02.2026 22:42 β€” πŸ‘ 4651    πŸ” 681    πŸ’¬ 27    πŸ“Œ 32
Comic. [Person talking to person with black hat.] PERSON 1: Historically, it refers to a ceremony to predict the weather using a rodent. But nowadays people often use it to mean β€œa time loop experienced by one person.” PERSON 2: …What. [caption] Easily our weirdest holiday.

Comic. [Person talking to person with black hat.] PERSON 1: Historically, it refers to a ceremony to predict the weather using a rodent. But nowadays people often use it to mean β€œa time loop experienced by one person.” PERSON 2: …What. [caption] Easily our weirdest holiday.

Groundhog Day Meaning

xkcd.com/3202/

04.02.2026 21:35 β€” πŸ‘ 6952    πŸ” 1257    πŸ’¬ 57    πŸ“Œ 40

Congrats Hongmin, that was a wonderful defense!!

02.02.2026 20:43 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Proud Paul with Maria. Maria gave me a red flowers - a tradition in China.

Proud Paul with Maria. Maria gave me a red flowers - a tradition in China.

Congratulations to Hongmin (Maria) Yu who successfully and expertly defended her thesis "Exploring Atmospheric Autoxidation of Organic Emission from Volatile Chemical Products". Thanks to @jessekroll.bsky.social, and @caltech.edu Profs Mitchio Okumura, and Rick Flagan for serving on her committee.

02.02.2026 20:32 β€” πŸ‘ 29    πŸ” 5    πŸ’¬ 2    πŸ“Œ 0

This is who runs this account

01.02.2026 19:21 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 1    πŸ“Œ 1

This made me cry, no lie. Complicated reasons, one being its fuck you to the baked-in structures and strictures of the world that consider harm to be inevitable.

31.01.2026 08:40 β€” πŸ‘ 812    πŸ” 230    πŸ’¬ 10    πŸ“Œ 3
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What Americans Lose If Their National Center for Atmospheric Research Is Dismantled - Eos Five ways dismantling NCAR will cost the American people, and two ways to save it.

eos.org/opinions/wha...

27.01.2026 15:31 β€” πŸ‘ 5408    πŸ” 2629    πŸ’¬ 155    πŸ“Œ 120

"106,636 years of federal work experience were lost across the 10,109 employees with Ph.D.s who departed STEM or health roles 1 January–30 November."

It isn't just the scientific knowledge but the *institutional* knowledge that's been lost. Rebuilding federal science will be a generational effort.

27.01.2026 02:46 β€” πŸ‘ 191    πŸ” 96    πŸ’¬ 4    πŸ“Œ 6

We knew the NSF letter about NCAR would come. I think this is an occasion that will require great coordination and strategical thinking. UCAR should respond as a block, coordinating a response across universities (especially in the South, and large public universities that use NCAR data a lot)

24.01.2026 02:18 β€” πŸ‘ 19    πŸ” 6    πŸ’¬ 2    πŸ“Œ 0
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"What we’re … seeing is the toll of the uncertainty."

My latest story for @science.orgβ€”part of a package that explores how the U.S. scientific community has changed under Trumpβ€”includes new numbers on graduate enrollment and faculty hiring.

www.science.org/content/arti...

22.01.2026 21:12 β€” πŸ‘ 38    πŸ” 24    πŸ’¬ 2    πŸ“Œ 1
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β€˜Shattered’: US scientists speak out about how Trump policies disrupted their careers Researchers lay bare the human toll of lay-offs, funding cuts and attacks on science one year after the president’s return to the White House.

This is so grim. Science isn’t just something nerds do, but the foundation of the modern world. What the Trump regime has done to US science will harm Americans for generations.

20.01.2026 11:23 β€” πŸ‘ 1152    πŸ” 509    πŸ’¬ 8    πŸ“Œ 15

I'm quadization πŸ’―

20.01.2026 01:04 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Spaghetti and meat cubes sounds like it could be such a thing right now 🀣

19.01.2026 01:30 β€” πŸ‘ 5    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

The worst climate and weather news you’ll see today.

16.01.2026 15:26 β€” πŸ‘ 179    πŸ” 77    πŸ’¬ 3    πŸ“Œ 2
Hibiscus flower on UMich campus with sun shining through.

Hibiscus flower on UMich campus with sun shining through.

Peony at Arboretum with sun shining through the petals.

Peony at Arboretum with sun shining through the petals.

Hibiscus flower after rain with sun shining through.

Hibiscus flower after rain with sun shining through.

I love the color of the petals when the sun is shining through them.

17.01.2026 01:42 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Senator Susan Collins killed the amendment to protect the National Center for Atmospheric Research (NCAR) -- perhaps the world's premier research center for work on #weather, #climate, models, and remote sensing. Remember that.

15.01.2026 23:56 β€” πŸ‘ 529    πŸ” 265    πŸ’¬ 21    πŸ“Œ 27

Saint Paul schools will be closed Tuesday and Wednesday to prepare for optional online learning.

I’ve seen schools close for snow, for pandemic, for natural disaster. I’ve never seen schools close because of threat from our own government.

15.01.2026 01:05 β€” πŸ‘ 10162    πŸ” 3195    πŸ’¬ 96    πŸ“Œ 107
Screenshot of a thread from @internet hippo that says "There should be public dialogue from Dem leaders about what the medium-long term political strategy against Trumpism is. They don't want impeachment (not enough votes) so what can a Dem congress do that's more effective? Is there a philosophy other than "Vote for us and hope something good happens?"

"The voters are stupid" isn't useful analysis or political strategy. They will continue being stupid! You either need a plan to make them not stupid or a plan to win despite that.

If the reality is that these are unprecedented times and nobody inked what to do, ok. Let's say that out loud and start thinking. But pretending like we're all living in 1998 and we can wait this out seems suicidal to me

Screenshot of a thread from @internet hippo that says "There should be public dialogue from Dem leaders about what the medium-long term political strategy against Trumpism is. They don't want impeachment (not enough votes) so what can a Dem congress do that's more effective? Is there a philosophy other than "Vote for us and hope something good happens?" "The voters are stupid" isn't useful analysis or political strategy. They will continue being stupid! You either need a plan to make them not stupid or a plan to win despite that. If the reality is that these are unprecedented times and nobody inked what to do, ok. Let's say that out loud and start thinking. But pretending like we're all living in 1998 and we can wait this out seems suicidal to me

I really appreciate this one, especially the last statement.

14.01.2026 02:48 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Ozone-derived carbonyls indoors could pose a risk to heart health High concentrations of carbonyls are produced when indoor ozone reacts with skin oils. Researchers correlated the molecules with raised blood cell indices in people living on the Tibetan plateau

The unique location of Xizang University in Lhasa, Tibet, China (seen here from afar) allowed researchers to disentangle the health effects of ozone-derived carbonyls from ozone itself. cen.acs.org/environment/...

#chemsky πŸ§ͺ

13.01.2026 12:31 β€” πŸ‘ 9    πŸ” 5    πŸ’¬ 0    πŸ“Œ 0

This is unbelievably stupid. By doing this, the EPA would completely run away from its mission to protect human health and the environment. Reducing air pollution saves lives, plain and simple.

12.01.2026 17:52 β€” πŸ‘ 9    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0

@reobrien is following 20 prominent accounts