• CAGSN is committed to bringing together an alumni network of professionals interested in building community, promoting sustainability and fostering meaningful connections within the University and worldwide.

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  • Are you on LI a lot or would you like to be there more? Then join us as a LinkedIn Volunteer! This low lift, but time sensitive role requires less than 4 hours a month. Responsibilities include: Creating engaging content on anything that may be of interest to our community...

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  • The Columbia Alumni Global Sustainability Network (CAGSN) is an international, multidisciplinary community interested in creating a shared sustainable future. We welcome alumni from all of Columbia University’s schools and affiliates. Our goal is to foster an inclusive and open forum for diverse perspectives, impactful dialogue, and interdisciplinary collaboration.  Drawing on the...

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  • Thank you for your interest in helping to build our community! As a volunteer-run group, we rely on the time and tireless efforts of dedicated volunteers to organize events, get the word out about our group and promote sustainability. The volunteer opportunities that we have available are below. Click on...

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  • Upcoming events

    Building a Sustainable Future: Strategies for AI Data Centers

    January 20, 2026 at 6:00pm
    WHERE

    Career Design Lab

    729 7th Avenue, 3rd Floor, New York, NY 10019, United States
    RSVP

    London Kickoff Happy Hour

    February 10, 2026 at 6:00pm
    WHERE

    The Duke Organic

    30 St Peters Street, London N18JT, United Kingdom
    RSVP