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John Callahan

@johncallahan.bsky.social
1.6K followers 332 following 499 posts

Service-driven, applied climate and coastal hazards scientist. Keep things simple but no simpler. Trying to do that the best I can. Views my own.

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John Callahan @johncallahan.bsky.social · 05/11/2025
youtu.be/lr7K0tct2eI?...
youtu.be
Academic research is publicly funded — why isn't it publicly available? | Erica Stone
YouTube video by TED-Ed Educator Talks
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Katharine Hayhoe @katharinehayhoe.com · 30/10/2025
If you take the time to read the whole Gates memo (which I did), the bulk of the content was mostly solid and encouraging. Really! It was the FRAME that was off--very off, from the first line. And when your framing is off, then how you make decisions and set priorities is off. THAT'S the problem.
My quote from an Axios interview, stating that: People often think of climate change as a separate bucket at the end of a long row of other buckets of problems we're trying to fix that are wrong in the world," Hayhoe told Axios.
This includes poverty, disease and access to clean water.
"Climate change is not a separate bucket," Hayhoe said. "The reason we care about climate change is that it's the hole in every bucket."
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John Morales @johnmoralestv.bsky.social · 30/10/2025
"I don’t need to tell you that I am quite distressed about this new era of abnormally hot Atlantic waters and the catastrophic hurricanes that come as a result. Like it or not, you should be concerned too." My reflections on Hurricane #Melissa for @nbcmiami.com. www.nbcmiami.com/weather/hurr...
nbcmiami.com
John Morales on ‘infamous' Hurricane Melissa's destructive path and worrying trends
Melissa, now an infamous hurricane, will see its name retired by the World Meteorological Organization. It’s the third strongest hurricane ever recorded in the Atlantic basin, the strongest observed s...
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Cathy W @cathyw.bsky.social · 28/10/2025
"...obstructing the Laws for Naturalization of Foreigners; refusing to pass others to encourage their migrations hither" was one of the grievances against King George.
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Dr. Aaron Thierry @thierryaaron.bsky.social · 28/10/2025
You might enjoy this book...
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Dr. Aaron Thierry @thierryaaron.bsky.social · 26/10/2025
I was recently invited to present my thoughts on the role of universities in the #climate crisis Several audience members asked that I share my slides, so I've decided to post them here too as an open resource I'd love any feedback, & for you to share examples of projects & best practice. Long 🧵😊
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CNBC @cnbc.com · 13/10/2025
NASA unit JPL to lay off about 550 workers, citing restructure
cnb.cx
NASA unit JPL to lay off about 550 workers, citing restructure
The Jet Propulsion Laboratory is a research and development lab funded by NASA — the federal space agency — and managed by the Caltech.
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Climate Social Science Network @cssn.org · 22/09/2025
Experts @timmonsroberts.bsky.social @aronczyk.bsky.social and @johnfocook.bsky.social speak with @trackchangesmedia.bsky.social on the rising threat of climate disinformation in the media, solutions misinformation, and the attack on climate science and scientists themselves.
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Allison Gill @muellershewrote.com · 06/10/2025
We covered this on today's @dailybeanspod.com. Extremely dangerous and these ICE agents should be charged with felonies.
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California King Tides Project @kingtides.bsky.social · 06/10/2025
Hi King Tides Community! We need your help to photograph the upcoming King Tides. Your photos help us understand what's vulnerable to flooding today, plan for future sea level rise, and get us all talking and thinking about the impacts of the climate crisis. What can we do to make a difference? (🧵)
A person taking a photo of splashing waves against a staircase and rocks at the ocean
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David Roberts @volts.wtf · 06/10/2025
The GOP has done nothing on healthcare in the 21st century other than stop Dems from improving it. Literally nothing.
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Jared Rennie @jjrennie.bsky.social · 24/09/2025
Here is a look of #Helene and the Predecessor Rainfall Event, which began setting up around this time a year ago. I updated this to incorporate the @nws.noaa.gov flash flood warnings and flash flood emergencies. #FLwx #GAwx #ALwx #SCwx #NCwx #TNwx @spann.bsky.social @wxbrad.bsky.social
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Karen Attiah @karenattiah.bsky.social · 24/09/2025
Yes I will be fighting back against the unjust firing by @washingtonpost.com. I have filed a grievance and will be represented by none other than the amazing @katiephang.bsky.social and an incredible legal team. Journalistic freedom is a bedrock of a healthy society and is worth battling for.
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Mark Hamill @markhamillofficial.bsky.social · 24/09/2025
Congratulations to @jimmykimmel.com on his triumphant return! Last night he was pitch-perfect. Inspirational, self-reflective, gracious to his haters, championing the 1st Amendment & most importantly: FUNNY. (Shout-out to Robert DeNiro as the mob-boss head of the FCC)😆
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Peter Sagal @petersagal.bsky.social · 20/09/2025
And of course: youtu.be/HkAK9QRe4ds?...
youtu.be
CLIP: President Obama's Anger Translator (C-SPAN)
YouTube video by C-SPAN
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Peter Sagal @petersagal.bsky.social · 20/09/2025
Dana Carvey parodied George HW Bush on SNL — “Nah, wouldn’t be prudent” — the President called him up and they became friends. . Daryl Hammond imitated Clinton through his Presidency, including savage stuff during his sex scandal. Clinton invited him to do a “dueling Presidents” gag.
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Carl T. Bergstrom @carlbergstrom.com · 19/09/2025
I like this. Since under RFK Jr, Covid shots are now for people with underlying conditions that put them at risk, Michigan’s chief medical executive Dr. Natasha Bagdasarian states that not having the most recent Covid shot constitutes such an underlying condition. www.michigan.gov/mdhhs/inside...
In her recommendation, Bagdasarian stated,
"Any person over the age of six months without contraindication who has not received a dose of a Food and Drug Administration (FDA)-approved or-authorized 2025-2026 COVID-19 vaccine may be considered to have an underlying condition that puts them at high risk for severe outcomes from COVID-19 and is thus eligible to receive an age-appropriate dose."
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Mark Hamill @markhamillofficial.bsky.social · 18/09/2025
I stand with PBS. I stand with NPR. I stand with Stephen Colbert. I stand with Jimmy Kimmel. I stand with the First Amendment. PERIOD.* *Also #ReleaseTheEPSTEIN_Files
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Adam Sobel @adamsobel.bsky.social · 16/09/2025
We're hiring! We have an open search for an Assistant Professor in physics of the ocean and/or atmosphere in Columbia's Dept. of Earth and Environmental Sciences. Please circulate this information to good candidates, and apply yourself if you are one! Ad & link to apply: apply.interfolio.com/173819
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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laura olin @lauraolin.bsky.social · 16/09/2025
Q. Why is there a special election in the Minnesota House tonight? A. Because the Democrat who held the seat was assassinated in June. www.the-downballot.com/p/morning-di...
the-downballot.com
Morning Digest: House Democrat launches bid for 15th term despite four primary challengers
"Generational change is fine, but you've got to earn it," says embattled incumbent
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Eric Columbus @ericcolumbus.bsky.social · 16/09/2025
One thing many people didn’t know about Robert Redford is that the guy in this popular meme is Robert Redford
media.tenor.com
a man with long blonde hair and a beard is holding a fishing rod
Alt: Robert Redford, nearly unrecognizable with beard in “Jeremiah Johnson,” holding a fishing rod and slowly nodding as the camera zooms in
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US CLIVAR @usclivar.bsky.social · 16/09/2025
🔥 Join us for the first of the PPAI Webinar Series on Wildfire Prediction! We will hear from Dr. Seth McGinnis (UCAR) on "Projected Changes in Inter-regional Wildfire Simultaneity in the Western US" 🕛 Today at 12pm MT 🔗 usclivar.org/webinars
usclivar.org
Webinars | US CLIVAR
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Philippe Papin @pppapin.bsky.social · 11/09/2025
Want to come work for the National Hurricane Center, #NHC? There are two new job postings that were just announced yesterday. The 1st opportunity is a position within the #Hurricane Specialist Unit, #HSU: GS-13 Hurricane Specialist Position -- www.usajobs.gov/job/845559000
usajobs.gov
Meteorologist
This position is located in the National Weather Service (NWS), National Hurricane Center (NHC), with one vacancy in Miami, FL.
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Climate.us @climate.us · 12/09/2025
Exciting news update! We’ve begun the process of cloning and migrating the NCA5 website to a new home & hope to make it public-facing in the next few weeks. Your continued support sharing our campaign and donating will allow us to invest in the tools needed to secure these resources long term.
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Dr. Lucky Tran @luckytran.com · 09/09/2025
Updated COVID vaccine availability map 9/9 It's most difficult to get a shot in these states, which require prescriptions and have no MinuteClinics: ME, OR, UT, WV These states require prescriptions but do have MinuteClinics: AZ, DC, FL, GA, LA, NC, VA In all other states, no prescription needed
Updated COVID vaccine availability map 9/9

It's most difficult to get a shot in these states, which require prescriptions and have no MinuteClinics: ME, OR, UT, WV (yellow shading)

These states require prescriptions but do have MinuteClinics: AZ, DC, FL, GA, LA, NC, VA (yellow shading with lines)

In all other states, no prescription needed (green shading)
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Prof. Sonia I Seneviratne @soniaseneviratne.bsky.social · 06/09/2025
New starter pack with @ipcc.bsky.social #AR7 scientists (bureau, authors, REs)! Full list: apps.ipcc.ch/report/autho... For SR cities scientists see separate starter pack! @dianaurge.bsky.social @sherilee.bsky.social @siir-kilkis.bsky.social @janfuglestvedt.bsky.social go.bsky.app/2FuXb3Y
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Dave Levitan @davelevitan.bsky.social · 02/09/2025
"There is value, still, in a collective response to Official Bullshit."
gravityisgone.com
Government abandons climate science, but climate scientists won't abandon government
Hello, welcome to my relaunched newsletter, read more about the deal here and please subscribe! It is an uphill battle, of course, when faced with such clear-eyed farce. There is a sense of bringing ...
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Dave Levitan @davelevitan.bsky.social · 05/09/2025
New: Senators Whitehouse and Murray have sent a letter to Energy Secretary Chris Wright laying into his absurd climate report and demanding that it be “withdrawn in shame” www.epw.senate.gov/public/_cach...
The DOE Report's callous dismissal of these well-documented costs that threaten the prosperity, health, and well-being of all Americans is yet another reason why the Report cannot and must not be relied on for any decisionmaking, whether by Federal agencies; State, local, or Tribal agencies; or the private sector. The Report should be withdrawn, and frankly, withdrawn in shame. This so-called Report puts the imprimatur of government on what is likely the largest fraudulent operation in American history. No amount of donor money from fossil fuel industry sources to President Trump or the Republican Party should be worth that.
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Dr. Lucky Tran @luckytran.com · 04/09/2025
The “problem” with vaccines? They so effective at preventing deaths that they create generations of people that question whether disease was a problem in the first place because they have never experienced the horrors of a world without vaccines.
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The Atlantic @theatlantic.com · 03/09/2025
"Valued users! We understand that over the past 250-odd years, you have come to rely on the services provided by the U.S. of A. ... Well, 250 years of free is enough." @petridishes.bsky.social on the end of America's free-trial period:
bit.ly
Apologies: You Have Reached the End of Your Free-Trial Period of America!
Want rule of law? That’s premium.
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Andrew Dessler @andrewdessler.com · 02/09/2025
Great article in the NYTimes about our comment to the DOE about their climate report. Gift link: www.nytimes.com/2025/09/02/c...
nytimes.com
Scientists Denounce Trump Administration’s Climate Report
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Climate.us @climate.us · 01/09/2025
Read what @drshepherd2013.bsky.social had to say about us in @Forbes.com: www.forbes.com/sites/marsha... Be sure to check out more about our initiative here: donorbox.org/climate-us-p...
Forbes article about climate.us
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Dr. Lucky Tran @luckytran.com · 24/08/2025
"This could be the difference whether your child gets cancer. Are you willing for them to die because the therapy for them is delayed?" Powerful video with voices from top US scientists on the very real and devastating impacts of the funding cuts.
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Comfortably Numb @numb.comfortab.ly · 09/11/2024
Get your own interaction circles at skircle.me
skircle.me
Skircle - Bluesky Interaction Circles
Create Bluesky Interaction Circles with ease!
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Nandita Sharma @nsharma101.bsky.social · 29/08/2025
“After reporting internally to management and externally to regulators serious data security and integrity concerns impacting our citizens' most sensitive personal data, I have suffered exclusion, isolation, internal strife, and a culture of fear"
thehandbasket.co
'Intolerable': SSA chief data officer and whistleblower resigns in blistering email
Charles Borges involuntary resignation comes just days after publicly calling out a critical agency data vulnerability.
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Dr. Lucky Tran @luckytran.com · 29/08/2025
Article:
nbcboston.com
Northeastern states consider regional approach to vaccine guidance after CDC changes
Shifting national vaccine policy under Health Secretary Robert F. Kennedy Jr. has Massachusetts and other states exploring a regional approach.
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John Callahan @johncallahan.bsky.social · 29/08/2025
www.cnn.com/2025/08/28/c...
cnn.com
Climate.gov will re-launch under new URL thanks to a secret team of web ninjas | CNN
A small group of writers and researchers are launching an ambitious effort to preserve key climate data that the Trump administration has taken offline, including the climate.gov website.
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John Callahan @johncallahan.bsky.social · 27/08/2025
They're planning a YouTube channel? Interesting. Looking forward to it!
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Yona Silvy @yonasilvy.bsky.social · 27/08/2025
Have you been selected as an Author for the IPCC AR7 and are you planning to attend the Ocean Sciences Meeting 2026? Please get in touch! I am convening an IPCC-focused Town Hall and will invite a panel of Authors to address the scientific challenges for AR7 and answer questions from the community
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Julian Sanchez @normative.bsky.social · 25/08/2025
This is just absolute gibberish. We’ve been doing all those things for decades. DC feels less safe now, not more.
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Josh Zingher @zingherpolisci.bsky.social · 25/08/2025
Pritzker, Newsom, and to some extent Hochul get it. Pritzker communicates the reality of the situation without any weird “bipartisan solutions” framing that the Dems are so addicted to.
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Jen @ladyjenpool.bsky.social · 12/08/2025
Hey, as a librarian I need to tell you: Our funding depends on usage. So go ahead and check out that book even if you don't think you'll finish it. No one will know. Check out that DVD even though you might not like it. Get ambitious in your quest for knowledge.
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Willett Kempton @willett.bsky.social · 23/08/2025
Dept Interior issued work stoppage to Revolution Wind—700 MW of clean power, 80% built, power on this fall, contracted to RI and CT. All permits approved long ago. This is anti-business, chills investment, raises costs. Chokes off needed ⚡️🔌.
orsted.com
Revolution Wind receives offshore stop-work order from US Department of the Interior’s Bureau of Ocean Energy Management
On 22 August 2025, Ørsted’s subsidiary Revolution Wind LLC, a 50/50 joint venture with Global Infrastructure Partner’s Skyborn Renewables, received an order instructing the project to stop activities on the outer continental shelf related to the Revolution Wind project from the US Department of the Interior’s Bureau of Ocean Energy Management (BOEM). Revolution Wind is complying with the order and is taking appropriate steps to stop offshore activities, ensuring the safety of workers and the environment.
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Michael E. Mann @michaelemann.bsky.social · 22/08/2025
I'm still not convinced this isn't satire. #JudithCurry now works for the illustrious "Prager University". Here she expounds for them on "The good news about climate change": www.youtube.com/watch?v=JqKB...
youtube.com
The Good News about Climate Change | 5-Minute Videos
YouTube video by PragerU
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Michael E. Mann @michaelemann.bsky.social · 22/08/2025
"Contrarian climate assessment from U.S. government draws swift pushback -- Researchers say DOE report [yes, #JudithCurry is one of the 5 authors] cherry-picks data to downplay threat of greenhouse gases" via #Science: www.science.org/content/arti... "
science.org
Contrarian climate assessment from U.S. government draws swift pushback
Researchers say DOE report cherry-picks data to downplay threat of greenhouse gases
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David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 20/08/2025
Scientists of Bluesky, introduce yourselves by replying to this post and I’ll share it and help you get some followers! I’m David, I’m based in DC and study shark ecology and conservation policy. I’m the author of “Why Sharks Matter.” 🧪🦑🌎🐠🦈
Me securing a shark getting measured for a research workup Posing with some friends as part of my Why Sharks Matter book tour.
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Merriam-Webster @merriam-webster.com · 18/08/2025
Not to add to the discourse, but… It’s ‘toe the line,’ not ‘tow the line.’ It’s ‘free rein,’ and not ‘free reign.’ It’s ‘eke out,’ not ‘eek out.’ It’s ‘sleight of hand,’ not ‘slight of hand.’ It's ‘Anchors aweigh,’ and not ‘Anchor's away!’
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Ed Kazarian @kazedkaz.bsky.social · 17/08/2025
All that said, this overall plan is innovative and the report (which is huge) is really, really interesting. www.phila.gov/programs/phi...
phila.gov
Philly Tree Plan | Programs and initiatives
Creating a ten-year plan for the growth and care of Philadelphia's urban forest.
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Mara Wilson @marawilson.bsky.social · 17/08/2025
Hey, heads up for everyone on TikTok, this is NOT me. The thing that annoys me the most is that they have a subscription account, so they are getting paid to repost my videos. 😒 Please report them.
A TikTok account called “@MaraWilson.Oficial” that is not me.
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Gregory A. Hargreaves @bordergroves.bsky.social · 14/08/2025
Parents, be vigilant against PragerU instructional materials in your kids classrooms! It’s an extremist outfit masquerading as an educational nonprofit. It’s a far right wing response to PBS kid’s programming, it is propaganda designed to appeal to children and careless or bigoted educators. Beware!
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