End of summer. 😭

Practically perfect day for the #NYCcentury #bike ride #bikeNYC

IFPTE discussed legislative items urging lawmakers to reject the Trump Administration’s budget request to cut NASA’s overall budget by 25%, with a whopping 48% cut to NASA science work and another 39% cut to aeronautics research. www.ifpte.org/news/ifpte-n...

This is what real nasa scientists are like : “ am I 99.9% certain this statement is correct? “ And they run the sim before they face the public. I’ve done this 👇 to myself many times.

🌊 HS students, explore how climate change is impacting Earth's water systems in our virtual, 7-week pre-college workshop (Sat mornings Oct 18-Dec 6) led by @lamont.columbia.edu's Margie Turrin and Marisa Annunziato. ✅ Register for Sep 24 virtual info session: www.climate.columbia.edu/ripple-effec...

Come join us in NYC! We are hiring an Assistant Prof. in my Dept at Columbia - info below. Review of applications starts in October.

New Quanta Magazine series on climate science. I was one of the people interviewed for this months ago and happy to start digging in now! www.quantamagazine.org/how-we-came-...

One of the coolest things about the NYC NASA climate model is that the same code is used to simulate all rocky planets*. On Earth, that's modelE. Exoplanets thats ROCKE-3D. *: ROCKE-3D has more flexible radiation so super different atmospheres can be simulated. Pretty neat.

Busily trying to read this spacepolicyonline.com/news/house-a...

Politico - President Trump tells reporters "we just have to beat the hell" out of "radical left lunatics," following the killing of conservative commentator Charlie Kirk.

24 yrsago I'd just started NYC grad school at Columbia New student friends- kids like me 1000s of miles from home-saw it on TV We kicked a ball around the infamous Columbia camping grass in shock&People yelled at us It smelled when the winds changed Missing posters went up everywhere Still hurts

I don't think I'm spoiling the last line by quoting it, from this fine essay: "We need to get up from under our desks and persuade our fellow citizens that the institutions that they have helped create with their tax dollars are incredibly precious and important." www.nytimes.com/2025/09/08/o...

Every climate model out there has a different AMOC sensitivity to the relatively freshwater introduced by the pacific water flowing in to the North Atlantic (it’s about a psu less). But wait - how does that scale with the freshwater input by arctic rivers. (Half as important PI) -

I thought for sure he’d be the next ambassador to Turkey.

Early climate models by Suki Manabe of NOAA/GFDL in the 60s and 70s laid the groundwork for modern climate science. They predicted key aspects of global warming, such as link to CO₂, stratospheric cooling, Arctic amplification, land-ocean temperature contrast, and delayed Southern Ocean warming.

Our paper is out today in @nature.com where we assess a Prudent Planetary Limit for Geologic Carbon Storage: www.nature.com/articles/s41...

This is AI2ES, my AI institute. No way around it other than to say this is really awful. We are doing so many amazing things! We want to keep doing amazing things but without this level of funding, we will not be able to do so.

Happy labor day! Start the academic year by celebrating people power 💪 Tomorrow at Broadway & 116 St gate of Morningside campus: 🎙️10am AAUP press conference 📢11am “Open the Gates” rally w/ Morningside neighbors 🪧1pm SWC practice picket

Keep em coming! Higher Education Saves Lives! Stand Up! Get Loud! Resist! #OrganizeFightWin #DefendHigherEd #LaborDay

On one hand, reducing car use reduces urban pollution. But on the other, everyone likes it and cities become more livable

The civil service glue has held this country together through every political party since Mark Twains time. We need it to hold.

“When We Fight, We Win” – IFPTE’s 2025 Labour Day Message

"...if you are hit by an SUV compared to being hit by a passenger car you are 44% more likely to be killed. Among kids it's higher - it's 82%."

There’s a widespread myth that Americans hate traffic cameras. It’s simply not true. On the contrary, researchers have consistently found that Americans broadly support using automatic enforcement to curb crashes. And for good reason: It works. Me, in Bloomberg 🧵

‘It’s a warning, set to a dance beat’: Jon Batiste on his new song urging climate action 20 years after Katrina: The global music star, whose home town of New Orleans was devastated by the hurricane in 2005, says ‘people power’ can change the world Twenty years after Hurricane Katrina rav...

Death camps. https://tomkahe.com/@GiftArticles/115103490095608033

Hey Folks...You may start seeing social media sites and a website for Climate.us If you see it, follow and share. It is legit and has some amazing, credible people behind it trying to plug leaks in the climate science world. Trust me on this one. More is coming....

Let me not forget:: Ita a #NYC #InternationalDogDay in Upstate Manhattan Check out these fine birdwatching canines

Labor Day Sept 1st - Day of Action Working people around the country are taking action. Click below to find an event near you. workerslaborday.org#find-an-event

Got my #bikenyc #TourDeBronx #bike #nyc tickets! See you all October 5! https://www.ilovethebronx.com/

Nice to see some more on this @visionzerovancouver.ca billboard momentummag.com/vision-zero-...

#NYC #bikeNYC folks:: The public comment period for this NYNJHATS study to build out a seawall along the Harlem River in Manhattan is TODAY. Check it out and send in your email to [email protected]

My lab's been attacked by an anti-wind group and their lawyers. They threatened the science funding of my whole university, to shut me and my undergraduate research assistants up. NYT just covered it. 1/n www.nytimes.com/2025/08/25/c...

Got this ride video up. Such a relaxing ride on a train bike. urbanists.video/w/hkwe3SeD6F...

Numerical weather prediction models (ECMWF IFS) still outperform AI weather models in forecasting record-breaking hot and cold extremes and unseen wind extremes Preprint arxiv.org/abs/2508.15724 with Zhongwei Zhang @erichfischer.bsky.social @zscheischlerjak.bsky.social and Sebastian Engelke

Gotcha The Great Blue Heron Is an excellent fisher

New today: Critical research published in @nature.com on the abrupt and alarming changes being observed in #Antarctica and the surrounding Southern Ocean, led by Prof. @climatenerilie.bsky.social, with @profmattengland.bsky.social and colleagues ⬇️ theconversation.com/from-sea-ice...

My WTX hometown regressed last week & I want to rage agains someone But all the folks I know and who’ve reached out through yrs Are all devastated Good people are being manipulated We are all one

"critics point out that closing the office won't actually save the agency much money. NASA already signed a $3 million per year lease on the building through 2031, and they can't sublet the space to outside parties... 'It makes no fiscal sense whatsoever,' said Matt Briggs"

The @ipcc.bsky.social Seventh Assessment Report authors have been announced.

Apparently the old mines that these rails serve might reopen one day - so the #rail needs to be kept in good order. Until then #bike X #rail = Bliss RevRail

CLIVAR has a climate risk webinar series. Sign up to receive notices here: mailchi.mp/usclivar.org...

🌏 At 16, my westTX public school teacher explained to the class that we wouldn’t be learning about evolution bc she didn’t believe in it That denialism drove me to pursue anthropology which, partnered w geophysics, yielded my pursuit of climate science 🌍 Earth science is for the observers 🌎

Excuse me? End of Earth science at NASA??? 🧪 ⚒️

A Hell Gate data analysis found the Parks Department cancels tree plantings near NYPD precincts due to cops parking on the sidewalk.

Instead of giving in to terror through anticipatory compliance & removing programs designed to remedy social inequalities, institutions should fight back to ensure access to higher education for all & protect our vibrant campuses & the freedom to learn, teach, and conduct research. This is the way.

We really need a third category for lightweight vehicle lanes - things that might be bigger or go faster. Bonus - when one of these now two alternate lanes is down for maintenance, there is a safe detour free from cars and trucks.

Hugely exciting update from @esa.int and @eumetsat.int - Sentinel 5 successfully launched, once operational this 🛰️ will significantly improve our atmospheric monitoring capabilities for #ClimateAction. Read more: www.eoportal.org/satellite-mi... 🌡️🌍🧪⚒️🗺️

The global phenomenon of “bikelash” has become one of the biggest barriers to implementing interventions that make our streets more liveable, accessible and sustainable. So how do we best manage it as advocates for change? Here are eight strategies we recently presented at the Velo-city Conference.🧵

Most of my folks’ family lives in Oklahoma. Nearly everyone from Oklahoma has one degree of separation - or less, ie personally experienced- from a tragic traffic fatality / crash. For the love of your family and logic - wear your seatbelt. MarkWayne wants to kill 💀 Okies and Americans alike.