Columbia University

For the 2025–26 academic year, CBS welcomes an outstanding cohort of new faculty members whose research and teaching extend to areas like AI, economics, labor, and finance, strengthening our world-class community. https://bit.ly/4pVNL7V

How Data and Partnerships Can Address Air Pollution | Columbia Engineering Air pollution is both a climate and public health crisis. Professor V. Faye McNeill explains why solving it requires innovation, collaboration, and global action.

99% of the global population breathes air that exceeds health and safety guidelines set by the World Health Organization. At Climate Week 2025, experts at @columbiaseas.bsky.social offered a roadmap to cleaner air across the world.

Calling all Columbia graduate students: how is AI affecting you and your education?

Join the upcoming Columbia AI students-only forum to raise questions and voice your perspectives on how AI is shaping your research and career path. Register today: https://bit.ly/48IISc3

Training taking place aboard R/V Marcus G. Langseth during expedition 2510

Training taking place aboard R/V Marcus G. Langseth during expedition 2510

Training taking place aboard R/V Marcus G. Langseth during expedition 2510

Training taking place aboard R/V Marcus G. Langseth during expedition 2510

R/V Marcus G. Langseth science officer Cody Bahlau reports...before diving into full operations offshore Mexico, the expedition MGL 2510 science team spent time learning and practicing the tools of the trade! 🚢 Learn more: instagram.com/p/DPJszOVDr__

3 Keys to Creating Memorable Consumer Experiences | Columbia Business School Why do some consumer experiences feel unforgettable? Columbia Business School research finds that uniqueness, meaningfulness, and authenticity are the three key ingredients that make moments stand out...

Columbia Business School research reveals why some moments stay with us while others fade, uncovering the three psychological pillars behind meaningful, memorable, and authentic consumer experiences. Check it out now: https://bit.ly/4nTAzhQ

Rings of Time: Seeking Clues to the Future in Urban Timber Lamont scientists are working with lumber salvage companies to preserve old timbers from demolished structures that offer rich clues to climate data and human history.

🌳 🪓 When the chopping begins, history ends. At Columbia's Tree Ring Lab, every piece of timber tells a story.

World Leaders Forum: Ngozi Okonjo-Iweala, Director-General, World Trade Organization YouTube video by Columbia SIPA

LIVE 🔴 The @columbiauniversity.bsky.social World Leaders Forum with @noiweala.bsky.social, Director-General of the @wto.org and @columbiaigp.bsky.social Carnegie Distinguished Fellow

www.youtube.com/live/JPoVBgT...

Pulkit Bajpai stands with hiking pole in front of water and hills.

A recipient of the Stanley Park Climate Finance Scholarship, Pulkit Bajpai joins our inaugural MS in Climate Finance class to complement his experience in climate economics and data science to contribute to progress in climate change adaptation and funding: news.climate.columbia.edu/2025/09/22/s...

NEW report from the @columbiaigp.bsky.social Women’s Initiative, Secretary @hillaryclinton.bsky.social, & @gwlvoices.bsky.social

🌐 Beijing+30: A Roadmap for Women’s Rights for the Next Thirty Years

Access the report here: igp.sipa.columbia.edu/sites/igp/fi...

How Do We Change the Way We Eat? Our industrialized food system is harming our health and warming the planet. Columbia experts weigh in on solutions.

Columbia experts and alumni are generating holistic solutions to fix our industrialized food system, offering better health and a sustainable future.

Explore their impact: https://magazine.columbia.edu/article/how-do-we-change-way-we-eat

The UN at a Crossroads: US Engagement and the Future of Multilateralism YouTube video by Columbia SIPA

LIVE 🔴 @columbiaigp.bsky.social virtual roundtable on the future of the UN at a moment of mounting global strain.

With @kelleycurrie.bsky.social, Maggie Dougherty, @chrislu44.bsky.social, IGP Carnegie Distinguished Fellow @nmladenov.bsky.social & Jonathan Lincoln

youtube.com/live/OXXnk5L...

How does the brain connect with each muscle to control the body? Check out new videos from @columbiamed.bsky.social & @zuckermanbrain.bsky.social that reveal two key molecules behind this vital process in fruit flies. @genesdev.bsky.social

zuckermaninstitute.columbia.edu/microscopic-...

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Sharks seen from below swimming in blue water with seaweed in the foreground with text Pre-College Programs - Ripple Effects: Water in a Warming World.

🌊 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...

Inside the Situation Room: Book Talk on Crisis Decision-Making and Leadership YouTube video by Columbia SIPA

LIVE 🔴 Join @columbiaigp.bsky.social for the launch of Dean Keren Yarhi-Milo & Secretary @hillaryclinton.bsky.social’s new book, Inside the Situation Room. Also featuring Jen Klein, Victoria Nuland, @profsaunders.bsky.social, @sangernyt.bsky.social & Tim Naftali

Tune in: youtube.com/live/wcOQuHW...

Increasing Accountability for Conflict-Related Sexual Violence YouTube video by Columbia SIPA

LIVE 🔴 Join Columbia IGP for a virtual roundtable on Increasing Accountability for CRSV with Sheryl Sandberg, @columbiasipa.bsky.social Dean Keren Yarhi-Milo, Oleksandra Matviichuk, Beth Van Schaack, Margot Wallstrom, Rachel Vogelstein, & Jean-Marie Guehenno.

youtube.com/live/MxTTESD...

Conflict-related sexual violence (CRSV) is under-prosecuted, trials are infrequent, and impunity for this crime is too often the norm.

On September 16 at 11 am ET, tune in to this virtual roundtable on how to increase accountability for CRSV.

➡️ youtube.com/live/MxTTESD...

Collage of colorful geometric shapes with organization logos and the text BIPOC Climate Justice Summit: Power Shift

Sun Sep 21, kick of #ClimateWeekNYC #ColumbiaClimateWeek with 5th BIPOC Climate Justice Summit: Power Shift hosted by HBCU Green Fund, Donors of Color Network, ACE Observatory, Columbia Climate School Environmental & Climate Justice Project, Barnard College: www.climate.columbia.edu/events/bipoc...

American flags placed on grass in front of the Columbia University library on a sunny day.

Today we honor those lost on September 11, 2001. We will always remember the 42 Columbia alumni who perished that day as part of our Columbia University community.

Columbia remembers September 11: https://news.columbia.edu/content/columbia-remembers-911

📷 Eileen Barroso

From People to Produce: How Appearance Bias Fuels Food Waste | Columbia Business School Nearly 40% of produce in the U.S. goes uneaten, often because it looks unattractive. New Columbia Business School research shows how appearance bias fuels food waste—and how a simple message, “Differe...

🍎 Roughly 40 percent of produce in the United States goes uneaten, but a simple intervention can help ensure edible fruits and vegetables don't go to waste. https://business.columbia.edu/research-brief/ugly-produce-food-waste-bias

Group of people, including Columbia University faculty and administration, participating in a ribbon-cutting ceremony outside a brick building.

Two students in a Columbia University dorm room, one seated at a desk wearing headphones and the other standing, engaged in conversation. The room is furnished with beds, desks, and Yale-themed decor.

Exterior view of a traditional brick building with multiple windows and a detailed stone façade on a sunny day.

Three people are sitting at a metal table in an outdoor courtyard, engaged in conversation over mobile devices. Lush green plants line the back wall, and the area is enclosed by warm-toned walls with windows.

🌱 Built for the future: Columbia's newest residence hall is all-electric and fossil fuel-free!

Explore this addition to Columbia Housing: https://communications.news.columbia.edu/news/columbia-opens-first-all-electric-residence-hall

🌊 The 6th annual "Rethinking Water" Conference unites experts to solve America's water crisis through sustainable solutions. Don't miss this key event during #ClimateWeek at Columbia Engineering! https://bit.ly/4njn7Ur
@climate.columbia.edu ‪@climategroup.bsky.social

Featuring Claudia Lugo-Candelas, PhD; Kevin G. Bath, PhD; moderated by Thiago Arzua, PhD.

Our event "How Early Life Shapes the Developing Brain" was so popular that we’ve added more virtual tickets! Join experts as they discuss early life, brain development, and resilience.

Sign up at bit.ly/SNFBILSept

Graphic highlighting over 1,950 inventions from Columbia University's scientific research labs, with an illustration of a microscope on a blue background.

From the research lab to the real world—innovation starts at Columbia University.

Find out more about how Columbia has changed the world over the last 270 years: https://www.columbia.edu/content/tradition-innovation-and-growth

Ben Horowitz (CC'88), co-founder and general partner of Andreessen Horowitz, recently visited Columbia Business School to kick off this year's esteemed David and Lyn Silfen Distinguished Leadership Series, a collection of discussions featuring some of today's most prominent voices in business.

Why Making Games Easier Can Boost Player Spending and Engagement | Columbia Business School New Columbia Business School research reveals that easier mobile games increase engagement, retention and long-term revenue in the $200 billion gaming industry.

🎮 If game developers want to keep users playing for longer, there's a simple solution—lower the difficulty. https://business.columbia.edu/research-brief/digital-future/easier-games-more-revenue

Those who think outward appearances reflect inner character are more likely to reject unattractive fruits or vegetables, according to research by Gita Johar, the Meyer Feldberg Professor of Business.

But a simple intervention may be the key to reducing food waste. Read more: https://bit.ly/47YK4HV

New students gathering for orientation in the Forum

Dean Abramson addressing the new students at orientation

Panel of program directors addressing the new students at orientation

Two students holding a Climate School sign

Dean Alexis Abramson, faculty, alumni, and staff were so excited to welcome our new Columbia Climate School students from our MA in Climate & Society, MS in Climate, and MS in Climate Finance programs (climate.columbia.edu/masters-programs) to orientation, the kickoff to a fantastic year!

Where Business Gets Built: Inside CBS's Process Improvement & Growth Course | Columbia Business School Inside Columbia Business School's Process Improvement & Growth course, students partner with NYC startups to solve real operational challenges and deliver measurable results.

Columbia Business School students are embedding themselves inside fast-growing NYC businesses to solve real challenges and drive results, thanks to a new innovative course.

Columbia Climate School MA Climate & Society students presenting their capstone project Arts and Climate Program Development for client Climate Imaginarium. Credit: Lauren Esposito

After a year studying topics like climate mitigation, adaptation and justice, our MA Climate & Society students partnered with diverse organizations to tackle critical climate challenges in the real world for their capstone projects. Via State of the Planet: news.climate.columbia.edu/2025/08/26/c...

Why is Candy Crush level 65 so difficult? According to new research from Oded Netzer, the Arthur J. Samberg Professor of Business, companies are often myopic in making online games challenging for players. Find out why: https://bit.ly/47g3d86