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Jeff Colgan

@jeffcolgan.bsky.social
7.6K followers 570 following 683 posts

Professor of International Relations and Political Science. Interests: international order, energy, climate change, historical IR

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Jeff Colgan @jeffcolgan.bsky.social · 01/10/2026
O Canada! 🇨🇦
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Jeff Colgan @jeffcolgan.bsky.social · 29/09/2026
The extra amount Americans have had to pay for gasoline and diesel since President Trump decided to attack Iran has surged past $120 BILLION. That's $920 per household -- and rising. How will voters respond to the cost of this war come November? 🛢️🇺🇸 iranwarcost.watson.brown.edu
iranwarcost.watson.brown.edu
Iran War Energy Cost Tracker
Tracks the extra cost paid by U.S. consumers for gasoline and diesel since the Iran conflict began on February 28, 2026, compared against a no-war counterfactual baseline.
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Jeff Colgan @jeffcolgan.bsky.social · 29/09/2026
The extra amount Americans have had to pay for gasoline and diesel since President Trump decided to attack Iran has surged past $120 BILLION. That's $920 per household -- and rising. How will voters respond to the cost of this war come November? 🛢️🇺🇸 iranwarcost.watson.brown.edu
iranwarcost.watson.brown.edu
Iran War Energy Cost Tracker
Tracks the extra cost paid by U.S. consumers for gasoline and diesel since the Iran conflict began on February 28, 2026, compared against a no-war counterfactual baseline.
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Alex Dukalskis @alexdukalskis.bsky.social · 28/09/2026
My department - @ucdpolitics.bsky.social - is hiring two PERMANENT posts in any area of politics, international relations, theory, or development studies. Please apply if you are on the academic job market, and if you're not, please do us a solid & spread the word! Deadline NOV 9.
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Jeff Colgan @jeffcolgan.bsky.social · 26/09/2026
Poor MBS, couldn't have happened to a nicer guy
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Ken Schultz @kschultz.bsky.social · 26/09/2026
“Pentagon-Backed Oil Company” is a phrase you expect to see in a socialist rag handed out by some guy on the sidewalk. Like the, um, Wall Street Journal…
wsj.com
Exclusive | Pentagon-Backed Oil Company Is Set to Vie for Chevron’s Crown in Venezuela
The rise of a U.S.-backed oil company in Venezuela has frustrated executives at America’s biggest oil companies.
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The Great Pumpkin Papers 🎃🎃🎃 @professormusgrave.bsky.social · 26/09/2026
“Climate economists come to me with tears in their eyes. ‘Mr President, thank you for decarbonizing the economy, we never thought anyone could do it’. I say, you’re welcome, and I did it all—I raised gas prices so high, you wouldn’t believe it folks, those gas prices were sky high.”
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Catherine Rampell @crampell.bsky.social · 25/09/2026
Pentagon quietly adds dozens to tally of troops wounded amid Iran war: With the addition of 29 U.S. sailors and eight Marines, the total number of personnel wounded since the start of hostilities has risen to 861, database shows. www.washingtonpost.com/national-sec...
washingtonpost.com
Pentagon quietly adds dozens to tally of troops wounded amid Iran war
With the addition of 29 U.S. sailors and eight Marines, the total number of personnel wounded since the start of hostilities has risen to 861, a Pentagon database shows.
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Climate Solutions Lab @climatesollab.bsky.social · 23/09/2026
Read more on how CSL's Iran War Energy Cost Tracker compares to other estimates: www.aei.org/commentary/t...
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Jeff Colgan @jeffcolgan.bsky.social · 23/09/2026
Somewhere out there is a Danish staffer who should never again have to buy his own drinks 
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Jeff Colgan @jeffcolgan.bsky.social · 22/09/2026
"The proposal raises the question of whether Carlyle would be disadvantaged if pitted against a consortium involving the US government and investors with ties to the administration, in a decision made by the White House. One person familiar with the process said: “'Yes, there is that concern.'” 😳
giftarticle.ft.com
US government and Gulf billionaires back Todd Boehly bid for Lukoil assets
Consortium aims to unseat Carlyle, which struck deal to buy Russian group’s international business in January
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Canadian Paintings @canadianpaintings.bsky.social · 21/09/2026
Haines Junction, Yukon Doris McCarthy 1991
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Jonny Wakefield @jonnywakefield.bsky.social · 21/09/2026
I’m sure getting potash from a dictatorship adjacent to a warzone on the other side of an ocean will be easier than getting it from … Saskatchewan
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Ed Maibach @maibached.bsky.social · 20/09/2026
The stench of this fossil fueled corruption of justice can be smelled from sea to shining sea. @docsforclimate.bsky.social @coveringclimatenow.org @ucs.org
floodlightnews.org
Judges overseeing Louisiana's landmark oil cases have financial stakes in defendants
Federal judges held stock, bonds and leased mineral rights to Exxon, Chevron and others while hearing cases against the companies alleging damage to the La. coast.
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Jeff Colgan @jeffcolgan.bsky.social · 20/09/2026
Love this. Please Stand Clear of the Accidental Art Museum www.nytimes.com/2026/09/19/o...
nytimes.com
Opinion | Please Stand Clear of the Accidental Art Museum (Gift Article)
Under New York’s streets, the subway system corrodes, is fixed — and breaks again. What’s left is art, the M.T.A. Modern.
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Jeff Colgan @jeffcolgan.bsky.social · 19/09/2026
Ok, now replace communist with fascist and ... you're so close ...
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Lizzieeddy @lizzieeddy.bsky.social · 18/09/2026
“they were the only ones in American public life who were unaware that the counterattack for Iran is to close the Strait of Hormuz and shut down global trade in energy. And so when that happened, the network had a problem. And they just stopped talking about it altogether.”
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Edward Luce @edwardluce.bsky.social · 17/09/2026
"Out of spite for President Donald Trump, Carney is accelerating the decoupling of a trade bloc that has generated enormous prosperity for North America." Seriously, Wapo editorial - you're going with Canadian spite? www.washingtonpost.com/opinions/202...
washingtonpost.com
Opinion | Canada’s great European misadventure
Donald Trump is for now. A Brussels bureaucrat is forever.
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Jeff Colgan @jeffcolgan.bsky.social · 17/09/2026
Agree or disagree with the content, it is quite something to watch 🇨🇦 PM Carney articulate a 21st century strategic vision in clear terms. Worth a read of his latest big speech www.pm.gc.ca/en/news/spee...
pm.gc.ca
Prime Minister Carney delivers an address to the European Parliament
Thank you for granting me the honour of addressing you all at the beginning of this decisive session.
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Jeff Colgan @jeffcolgan.bsky.social · 16/09/2026
Reuters: The average (diesel) fuel surcharge for grain shipments on U.S. railways more than doubled over the past year, in the latest sign of how soaring energy prices will spur inflation of food costs.
reuters.com
US rail fuel surcharges on grain hit record highs, squeezing farmers in harvest season
Railroad fuel surcharges on U.S. grain shipments have more than doubled over the past year, rippling through the ​farm belt and raising transportation costs as many farmers also struggle with higher p...
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Gerry Doyle @mgerrydoyle.bsky.social · 16/09/2026
however much you think the iran war is sapping u.s. military readiness, it's probably more than that. a free link for you, the people www.bloomberg.com/graphics/202...
bloomberg.com
The Iran Blockade’s Growing Price Tag Is Draining America’s Global Military Power
The cost of naval operations since the buildup began in January has topped $7.1 billion — not including all the US assets being used to escort tankers through the Strait of Hormuz.
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Climate Solutions Lab @climatesollab.bsky.social · 16/09/2026
CSL Director @jeffcolgan.bsky.social talks to the @wsj.com about the ballooning fuel costs of the US war with Iran www.wsj.com/business/ene...
wsj.com
Americans Have Spent $100 Billion More on Fuel During the Iran War
Higher gasoline and diesel prices have led many families to save less and curb spending elsewhere.
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Jeff Colgan @jeffcolgan.bsky.social · 16/09/2026
This is vastly undercounting the true costs of war. For instance: $107 billion on higher priced gasoline and diesel fuel (so far!) iranwarcost.watson.brown.edu
iranwarcost.watson.brown.edu
Iran War Energy Cost Tracker
Tracks the extra cost paid by U.S. consumers for gasoline and diesel since the Iran conflict began on February 28, 2026, compared against a no-war counterfactual baseline.
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Jeff Colgan @jeffcolgan.bsky.social · 15/09/2026
China is the key reason why the Strait of Hormuz oil 🛢️ crisis hasn't been considerably worse. But China's situation carries with it some important lessons for global climate policy and the reasons why countries go green 🌍 🔌. My talk yesterday @watsonschoolbrown.bsky.social youtu.be/KSd63SKWl5M
youtu.be
China Chat — China And The War In The Middle East: Consequences For The Global Energy Economy
YouTube video by Watson School of International and Public Affairs
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Jeff Colgan @jeffcolgan.bsky.social · 14/09/2026
Conference, first classes, public talk, PhD exams ... starting the semester like I'm
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Mark Gongloff @markgongloff.bsky.social · 14/09/2026
“The Iowa Environmental Council’s report documented noticeable impacts to air quality from just one year of increased coal combustion.” insideclimatenews.org/news/1409202...
insideclimatenews.org
As Power Demand Rises, a Clean-Energy State Falls Back on Coal - Inside Climate News
To meet surging electricity demand, Iowa utilities are increasingly turning to polluting coal plants that had been operating well below capacity.
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Jeff Colgan @jeffcolgan.bsky.social · 13/09/2026
It's ... it's almost as though diplomacy is a skillful activity, the people who do it are usually professionals, and he isn't one of them. @profsaunders.bsky.social @jimgoldgeier.bsky.social @dandrezner.bsky.social
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Dan Kaszeta FRHistS @dankaszeta.bsky.social · 12/09/2026
Best bit of the Bayeux tapestry is the 1944 addendum
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Claude Monet @monet.bsky.social · 12/09/2026
Vetheuil - 1880 botfrens.com/collections/41/content…
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Jeff Colgan @jeffcolgan.bsky.social · 12/09/2026
Trump proposes killing babies with a hack saw. But is the blade too expensive?
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Cullen Hendrix @cullenhendrix.bsky.social · 10/09/2026
The great irony of contemporary US politics: you're already getting socialism—and the Democratic Socialists have nothing to do with it. My latest for @piie.com.
piie.com
You're already getting socialism—and Democratic Socialists have nothing to do with it
The election of New York mayor Zohran Mamdani and the surprising performance of Democratic Socialist or DSA-aligned candidates in Democratic primaries across the United States is reviving interest in ...
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Jeff Colgan @jeffcolgan.bsky.social · 11/09/2026
The dark implications of the "medium" climate scenario here seem to be the buried lede of this 🌎 report. We are on a very bad path. "We are unlikely to see +4C by 2100" is a bit like saying that the conveyor belt carrying you towards a blast furnace probably won't get you fully in today.
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William Colgan @glacierbytes.bsky.social · 11/09/2026
Check out this wonderful explainer of the new CMIP7 climate scenarios written by @zekehausfather.com 👇 Get informed on how they differ from previous scenarios, and learn the new lingo and ambition of ‘Very Low’ — VL! 👊💙
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Jeff Colgan @jeffcolgan.bsky.social · 11/09/2026
On Monday I will talk on the subject "China and the War in the Middle East: Consequences for the Global Energy Economy" @watsonschoolbrown.bsky.social
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Social Media Lab @socialmedialab.ca · 10/09/2026
Everyone is porcupining ... "Canada and Ukraine were bound together more tightly on Thursday with the signing of a long-term strategic and political partnership that lays the foundation for the construction of millions of drones to defend both countries." Yes, millions. www.cbc.ca/news/politic...
cbc.ca
Canada, Ukraine forge 100-year pact built on drones and defence | CBC News
Canada and Ukraine signed a sweeping 100-year partnership on Thursday that puts defence production at its core. Ottawa plans to build millions of drones, pairing Canadian firms with Ukraine's battle-t...
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Jeff Colgan @jeffcolgan.bsky.social · 10/09/2026
Finally, some renaming news I can get behind 🇨🇦🇨🇦
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Shana Gadarian @sgadarian.bsky.social · 09/09/2026
Vaccines are amazing.
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Jeff Colgan @jeffcolgan.bsky.social · 05/09/2026
Oil and War are back in 2026. Some folks at #APSA mentioned they needed things to teach on the subject. So, with apologies to those who don't need a reminder, I share some of my writings that might suit the purpose. 🧵 1/n First up, on 2026 US interventions in #Venezuela: @goodauth.bsky.social
goodauthority.org
Trump made a clear choice: return to petro-imperialism
To understand what just happened in Venezuela, look at oil politics and U.S. foreign policy.
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Mark Copelovitch @mcopelov.bsky.social · 08/09/2026
Chretien at 92 correctly calling it 🇨🇦
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Robert Reich @rbreich.bsky.social · 05/09/2026
Federal minimum wage in: 2009: $7.25 2010: $7.25 2011: $7.25 2012: $7.25 2013: $7.25 2014: $7.25 2015: $7.25 2016: $7.25 2017: $7.25 2018: $7.25 2019: $7.25 2020: $7.25 2021: $7.25 2022: $7.25 2023: $7.25 2024: $7.25 2025: $7.25 2026: $7.25 Folks, it's time to raise the damn wage already.
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Christian Roselund @roselund.bsky.social · 05/09/2026
Finally got around to reading @sueanderbois.bsky.social's very detailed & comprehensive Energy Plan. This is the kind of vision that we need in #RhodeIsland & this is why I will be voting for Sue for Lt. Governor. (We at @climateactionri.org also endorsed her). www.sueanderbois.com/priorities
sueanderbois.com
Priorities | SueAnderBois.com
Sue AnderBois is running for Rhode Island lieutenant governor to make government work for Rhode Islanders, give the office a purpose, and get things done.
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Jeff Colgan @jeffcolgan.bsky.social · 05/09/2026
Oil and War are back in 2026. Some folks at #APSA mentioned they needed things to teach on the subject. So, with apologies to those who don't need a reminder, I share some of my writings that might suit the purpose. 🧵 1/n First up, on 2026 US interventions in #Venezuela: @goodauth.bsky.social
goodauthority.org
Trump made a clear choice: return to petro-imperialism
To understand what just happened in Venezuela, look at oil politics and U.S. foreign policy.
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Albert Pinto @70sbachchan.bsky.social · 14/07/2025
"Realizing that people in Germany could just go to the supermarket and spend $550 on a balcony solar panel that they could install themselves vs. $30,000 for a rooftop system was, uh, mildly radicalizing" - Kim-Mai Cutler www.canarymedia.com/articles/sol... US hates those cheap chinese solar...
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Jeff Colgan @jeffcolgan.bsky.social · 03/09/2026
At a time when much discourse about education is all about job training, it is bracing to see the words chiseled into the Boston Public Library: "the Commonwealth requires the education of the people as the safeguard of order and liberty."
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Climate Solutions Lab @climatesollab.bsky.social · 03/09/2026
Check out CSL Director Jeff Colgan's interview with CNN on how the Iran War is raising energy costs for consumers! @cnn.com @jeffcolgan.bsky.social
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Jeff Colgan @jeffcolgan.bsky.social · 03/09/2026
Gasoline prices up 38%. Diesel up 55%. US Households have spent $740 extra on gasoline and diesel since Feb 28, on average. The President is lying. iranwarcost.watson.brown.edu
iranwarcost.watson.brown.edu
Iran War Energy Cost Tracker
Tracks the extra cost paid by U.S. consumers for gasoline and diesel since the Iran conflict began on February 28, 2026, compared against a no-war counterfactual baseline.
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Claude Monet @monet.bsky.social · 02/09/2026
The Church at Varengeville - 1882 botfrens.com/collections/41/content…
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Jeff Colgan @jeffcolgan.bsky.social · 01/09/2026
Partisanship is a hell of a drug 🇺🇸🇨🇦
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