LegraLeGra

The airwaves in NYC are saturated with political ads right now. One uses this ‘insult’: Carpetbagger which Merriam-Webster defines as A Northerner in the South after the American Civil War usually seeking private gain under the Reconstruction gov’ts Do folks not realize this is New York?

NYC has:: roughly a factor of 10 for air pollution death by virtue of car and truck in addition to that bloody sort of the truck-car v person street violence. Someone please say you’ve done this analysis in everyone’s hometown and have made a map for that.

Let’s talk about nuisance flooding. In #nyc: Megastorm surge from a (post) tropical cyclone. Or big nor’easter — happens sometimes, but not every year. Nuisance flooding at high tide. Many times a season. https://climateassessment.nyc/wp-content/uploads/2024/05/NPCC4_FloodingInterimR3.pdf

The easiest way to save lives on our streets: lowering the speed limit to 20 mph. Comptroller Mark Levine, the City Council's Transportation Chair Shaun Abreu, three borough presidents — Brad Hoylman-Sigal, Antonio Reynoso, and Donovan Richards — and 17 community boards all agree.

Together with other scientists I’m suing the 🇺🇸 US National Institutes of Health for violating our 1st Amendment rights & censoring our health science. I’m ready to shine a light on the darkest days. Buckle up, read on. This gets pretty wild… THREAD

❗❗❗Mark Zuckerberg's meta just suspended the No Kings Instagram account. I just rushed back from my local No Kings to jump on this. Bottom line, would be helpful for all pro-No Kings folks to elevate the issue and help us get the word out about No Kings today. The Nerd Reich strikes again.

I made a deep-dive video essay about polar geoengineering 😬 No spoilers, but I don't think there's an easy solution. Big thanks to @peteirvine.bsky.social, @polarrobs.bsky.social, @drheidisevestre.bsky.social & Catriona Mckinnon for contributing. Watch it on youtube here: ▶️ youtu.be/HUTVDfDqhEw

The Anthropocene started in 1952 - it can be easily dated by the isotopes from nuclear bombs. While the influence of humans may have started earlier, there is such a dramatic uptick in green house gases at this time due to the Great Acceleration.

Over the holiday weekend, reckless drivers hit and killed five New Yorkers in Queens, the Bronx, and Staten Island.

Syracuse is tearing down the I-81 viaduct that split its city for decades and replacing it with a street grid that reconnects the neighborhoods the highway cut apart. If Syracuse can rethink its highways, so can NYC.

Yale researchers say terminated, delayed and paused grants have made it difficult to plan or finish studies of vector-borne and poverty-related diseases. One described the effect of the uncertainty as “paralyzing.” yaledailynews.com/articles/fed...

🌱 Oct 17 Lamont Open House (openhouse.ldeo.columbia.edu) science discovery do-ahead! Test your soil and paint for lead with @lamont.columbia.edu geochemist Lex van Geen. #LamontRocks Learn how to collect your samples: openhouse.ldeo.columbia.edu/lead-sampling-soil-and-paint

It’s Minerals Day for Earth Science Week so I thought I would share one reason why I adore minerals: the colours!! I love the deep red of this rhodochrosite from N’Chwaning mine, South Africa. #MineralMonday #GeoscienceBluesky #MineralsDay #EarthScienceWeek ⚒️🧪

RIP NASA Pioneer Margaret Hamilton https://science.nasa.gov/people/margaret-hamilton/

How bad is it in your corner of the USA ? This mapping tool breaks it down by state county or congressional district. https://scienceimpacts.org It’s bad.

Nyc does have incredible resources to look up how vulnerable to climate risks - heat - your neighborhood is—> Bensonhurst is a 4 out of 5 vulnerability wise. If I lived here, I would say yes to more trees, less asphalt, more parks. https://a816-dohbesp.nyc.gov/IndicatorPublic/data-features/hvi/

I think we are dropping our @citibikenyc.bsky.social membership this year. It’s not worth it. Yesterday $24 for upper east side to Inwood is an indictment. It’s cheaper to take a cab.

Just doing a bike lane instead of pedestrianizing the rest & making it the East Side’s High Line would be a big missed opportunity (especially w the MTA digging up Park Ave in the 40s & 50s for a decade+)

Look what my colleague found. Happened in my neighborhood: a charter school opened and gridlock when 65% of kids arrive to school by car. This in a neighborhood where 2 of 3 households don’t even have access to a car. 👀 🧐

This awful story of two high school girls killed by a truck driver who failed to yield and turned into them is awful. Worse is reporting emphasizing they were riding two on an electric citibike- as if a single kid on a traditional bike would’ve had any different outcome. This story gets it right.

We’re counting on the City of New York to fix this chaotic intersection to make it safe. That means turn calming, protected bike infrastructure, and a protected bike intersection to prevent crashes and tragedies like this from ever happening again.

Cities should be paying people to bike. Cities should be buying people e-bikes. Cities should be rewarding people for convincing neighbors to ride bikes. Every trip by bike is a net financial gain socially. And it compounds, the more people who do it.

NYC DOT is hiring for a ton of jobs to scale up bike lane and greenway implementation, if anyone is interested. We really need them fully staffed with great people, so please pass around. cityjobs.nyc.gov/jobs?q=micro...

🚗 Private cars are NYC's 3rd-largest source of emissions, right behind homes and businesses. Join our Climate Week panel "Reducing Driving as Climate Action" to explore what's worked to cut driving and clean up our air. 🗓️ 9/24 | 📍 Brooklyn Borough Hall RSVP: https://luma.com/parking-70cz

The world has made real progress in steering away from some of the darkest climate futures where global emissions doubled (or more) this century. But as David Wallace-Wells and I note in today's NYT, we are not out of the woods yet, and climate uncertainty is not our friend: www.nytimes.com/2026...

Bicycle helmets will fill the Grand Concourse when the Tour de Bronx returns Oct. 4 for its 32nd ride. Cyclists will start at 161st Street and Grand Concourse, choose from three routes, and finish at the New York Botanical Garden. #newyorkcity #bronxevents #bikenyc www.talkteav.com/tour-de-bron...

💡 Today I Discovered (TID): Chasing Mystery Algal Bloom in Mid-Atlantic Bight This year, an extraordinary phytoplankton bloom stretched across coastal waters from MA to NJ. What caught attention of The Goes-Gomes Lab was not just its size, but who was blooming. Learn more: https://bit.ly/4AobRNC

Happy Climate Week! Join us on Thursday at Brooklyn Borough Hall where we’ll be tackling the climate elephant in the room; driving. RSVP here: https://luma.com/parking-70cz

The top cop's decision came even though the NYPD's patrol guide prohibits both excessive force and bars officers from parking on the sidewalk.

Russell Vought wants to be in charge of #ScienceDeathPanels at NIH. Congress has made it pretty clear they don’t want political appointees in charge of funding decisions. Science community: it’s time to get loud (again)! www.politico.com/news/2026/09...

NASA picture of the day today is a real 🏴󠁧󠁢󠁳󠁣󠁴󠁿beauty! This is a composite image of the ~5000yo Callanish Stones on the Isle of Lewis. The amazing Giuseppe Petricca has only gone and photographed the Sun at noon there, every few days, for a whole year. #Dedication 🔭🧪👌 ℹ️: science.nasa.gov/image-articl...

@standupforscience.net released their America’s Compact for Higher Education campaign that pushes back in a united front against this administration’s authoritarian control of U.S. colleges and universities. www.standupforscience.net/sufs-compact...

It really is striking how many authoritarian states have ended up in this exact same place, where the leader seizes control of scientific inquiry. Lysenkoism in the Soviet Union, Aryan Physics in the Third Reich, Great Leap Forward (also related to Lysenko) in China.

wapo.st/3UPK3BP

I’m at NYC 2026 #GreenwaysSummit and who do I run into but former #Seattle Mayor @mayormcginn.bsky.social (now of @americawalks.bsky.social) who used Streetfilms when running for office & was very generous to allow me to ride with him to City Hall from his home 15 years ago for a famous Streetfilm!

This is good, though I'd like to know the dimensions of the bikeway (reporters need ask this!). Let's stop building for 2005 #bikenyc traffic with 8-foot 2-way bikeways

The 2026 NYC Greenways Summit Is underway! You can stream it all live here: greenways.nyc/2026-nyc-gre...