• 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

    The Impact Supper Club: Who Wins When We Invest...

    June 11, 2026 at 6:30pm
    WHERE

    Bocca Di Bacco

    169 9th Ave , New York, NY 10011, United States
    Learn more and purchase tickets

    Welcome New Alumni Summer Happy Hour

    June 24, 2026 at 6:00pm
    WHERE

    Le Botaniste - Penn Plaza

    154 W 32nd street, New York, NY 10001, United States
    RSVP

    NYC Venture Community ESG/Sustainability Professionals Networking Happy Hours

    July 21, 2026 at 6:00pm
    WHERE

    The Penny Farthing

    103 3rd Avenue, New York, NY 10003, United States
    RSVP